Question

Solve: 3x − x + 2 = 12

A. −5

B. 4

C. 7

D. 5

Answer 1

2x+2=12
2x=10
x=5

Answer 2

2x + 2 = 12
2x = 10

Do the last one yourself :)

Answer 3

the idea to het the variables in one side and numbers in other.

Answer 4

Exactly. ^

The variables on the left, the numbers on the right.