Question

Write a proof. Given x - 2 = 3(x - 4) Prove x = 5

Answer 1

x=5

Explanation:

x-2=3(x-4)

x-2=3x-12

12-2=3x-x

10=2x

x=10/2

x=5

Answer 2

x = 5

Explanation:

x - 2 = 3(x - 4)

x - 2 = 3x - 12

-2x - 2 = -12

-2x = -10

x = 5