Question

(07.01)What is the value of x in the equation x − 7 = 11?

Answer 1

x= 18

Explanation:

just use mental math. if you think about it, just flip the problem and do 11+7=18

Answer 2

x = 18

Explanation:

x − 7 = 11

Add 7 to each side to isolate x

x − 7+7 = 11+7

x = 18