Question

Solve. 2x - 1 = 7

A) x=2
B) x=3
C) x=4
D) x=5

Answer 1

C

Explanation:

2x-1= 7

add 1 one on both sides

2x = 8

divide both sides by 2

x=4

Answer 2

C

Explanation:

2x - 1 = 7

2*4=8

8-1=7