+= (add assign) Math Operators Web & Application int a = 50; int b = 23; a += b; // sets "a" to 73 Combines addition with assignment. The expression a += b is equivalent to a = a + b. value1 += value2 value1 int or float value2 any numberical value the same datatype as value1 = (assign) + (add) -= (subtract assign) 1.0 Operator PDE