Answer:
A2 -2
Step-by-step explanation:
Given the mathematical expression;
-7 + 5
To find their sum;
Simplifying a mathematical expression simply means to collect like terms that are having the same variables or constants and combining them, so as to reduce the expression to the lowest possible value.
-7 + 5 = -2
Therefore, the sum of -7 + 5 is equal to -2
