Question

What is the value of x in the equation 8+4 = 2(x-1)?

a. 5
b. 11/2
c. 13/2
d. 7

Answer 1

Answer:7

Explanation:

8+4=12

2(x-1)= 2x-2

12=2x-2

now add 2 to both sides

14=2x

And divide both sides by 2

7=x