9514 1404 393
Answer:
q = 42
Explanation:
The inverse of adding 83 is adding -83. When we do that to both sides of the equation, we get the value of q.
83 +q = 125
83 -83 +q = 125 -83 . . . . add the (additive) inverse of 83
q = 42 . . . . . . . simplify