Question

Find the solution of x-13=25 and verify you solution using subtraction

Answer 1

X-13=25

get coefficient X by itself by adding 13 to both sides

X=-13+13=25+13

X=38

Answer 2

x = 38

Explanation:

Add 13 to both sides, to isolate x: x = 38

We verify this solution using substitution (not subtraction):

Is 38 - 13 = 25 true? Yes, it is.