diff --git a/mx b/mx
index 3adb443..c052949 100755
Binary files a/mx and b/mx differ
diff --git a/src/Interpreter.cpp b/src/Interpreter.cpp
index 0cfa023..5d8bf9d 100644
--- a/src/Interpreter.cpp
+++ b/src/Interpreter.cpp
@@ -239,6 +239,12 @@ void Interpreter::executeCode(vector<Token> tokens) {
                         if (tokens.size() < i + 1) syntaxError.mathTooFewArgs();
                         if (tokens[i + 1].value.type != valtype::INT) syntaxError.mathTypeMismatch("Expected an int when subtracting from an int");
                         variables[varName].value = get<int>(variables[varName].value) - get<int>(tokens[i + 1].value.value);
+                    } else if (tokens[i].keyword == keywords::SET) {
+                        if (tokens.size() < i + 1) syntaxError.mathTooFewArgs();
+                        if (tokens[i + 1].value.type != valtype::INT) syntaxError.mathTypeMismatch("Expected an int when changing an int");
+                        variables[varName].value = get<int>(tokens[i + 1].value.value);
+                    } else {
+                        syntaxError.mathCannotDoOperationOnType("unknown", "int");
                     }
                 } else if (variables[varName].type == valtype::DEC) {
                     if (tokens[i].keyword == keywords::INCREMENT) {
@@ -253,6 +259,12 @@ void Interpreter::executeCode(vector<Token> tokens) {
                         if (tokens.size() < i + 1) syntaxError.mathTooFewArgs();
                         if (tokens[i + 1].value.type != valtype::DEC) syntaxError.mathTypeMismatch("Expected an dec when subtracting from an dec");
                         variables[varName].value = get<double>(variables[varName].value) - get<double>(tokens[i + 1].value.value);
+                    } else if (tokens[i].keyword == keywords::SET) {
+                        if (tokens.size() < i + 1) syntaxError.mathTooFewArgs();
+                        if (tokens[i + 1].value.type != valtype::DEC) syntaxError.mathTypeMismatch("Expected a dec when changing a dec");
+                        variables[varName].value = get<int>(tokens[i + 1].value.value);
+                    } else {
+                        syntaxError.mathCannotDoOperationOnType("unknown", "dec");
                     }
                 }
             } else {
diff --git a/src/Parser.cpp b/src/Parser.cpp
index 54988d3..2b5666c 100644
--- a/src/Parser.cpp
+++ b/src/Parser.cpp
@@ -115,6 +115,7 @@ void Parser::processLines() {
             else if (ct == "-") token.keyword = keywords::SUBTRACT;
             else if (ct == "*") token.keyword = keywords::MULTIPLY;
             else if (ct == "/") token.keyword = keywords::DIVIDE;
+            else if (ct == "=") token.keyword = keywords::SET;
             else if (ct == "++") token.keyword = keywords::INCREMENT;
             else if (ct == "--") token.keyword = keywords::DECREMENT;
             else if (ct == "+=") token.keyword = keywords::ADDTO;
diff --git a/src/SyntaxError.cpp b/src/SyntaxError.cpp
index cb4aa49..2eb923f 100644
--- a/src/SyntaxError.cpp
+++ b/src/SyntaxError.cpp
@@ -30,7 +30,7 @@ void SyntaxError::unknownFn() {
 }
 
 void SyntaxError::mathTypeMismatch(string notes) {
-    cerr << "MathError: cannot add two different types together" << endl;
+    cerr << "MathError: cannot use two different types together" << endl;
     if (!notes.empty()) cerr << "Notes: " << notes << endl;
     exit(1);
 }
diff --git a/src/common.h b/src/common.h
index eb402d8..9da9965 100644
--- a/src/common.h
+++ b/src/common.h
@@ -16,7 +16,7 @@ enum class valtype {
 enum class keywords {
     IF, ELSE, WHILE, INT, DEC, STR, BOOL, FUN, RETURN,
     OPARE, CPARE, OBRAC, CBRAC,
-    ADDTO, SUBTRACTFROM, MULTIPLYTO, DIVIDEFROM,
+    SET, ADDTO, SUBTRACTFROM, MULTIPLYTO, DIVIDEFROM,
     ADD, SUBTRACT, MULTIPLY, DIVIDE,
     EQUAL, INEQUAL, LESS, GREATER, EQLESS, EQGREATER,
     INCREMENT, DECREMENT,
diff --git a/test.mx b/test.mx
index 116f4a7..d3c6c3b 100644
--- a/test.mx
+++ b/test.mx
@@ -2,4 +2,7 @@ print "dingusify";
 let str bingus "heheheha its bingusing time";
 print bingus;
 print 1 + 1;
-let int myInt 3;
\ No newline at end of file
+let int myInt 3;
+print myInt;
+myInt = 5;
+print myInt;
\ No newline at end of file