Question

use the properties of equlity to solve the equation 7x - 4 + x = 12. State which property justifies your first step and why you choose.​

Answer 1

Property of addition, to combine like terms

Explanation:

7x - 4 + x = 12

8x - 4 = 12

Answer 2

x = 2

Explanation:

7x-4+x=12

+4 on both sides

8x = 16

divided by 8 on both sides

x = 2