Question

What is the answer to the question 2+2+x-7=21?

Answer 1

Lets get started :)

2 + 2 + x - 7 = 21
11 + x = 21

We have to subtract 11 on both sides to isolate x

11 ( - 11 ) + x = 21 ( - 11 )
11 and 11 cancels out

x = 10

Answer 2

combine like terms

2+2-7=-3

X-3= 21

+3      +3

X=24