Question

What is the solution?
-10 = 2a – 4

Answer 1

a = -3

Explanation:

- 10 = 2a - 4

- 10 + 4 = 2a

- 6 = 2a

- 6/2 = a

- 3 = a

Answer 2

`a = - 3`

Explanation:

`- 10 = 2a - 4 \\ 2a - 4 = - 10 \\ 2a = 4 - 10 \\ 2a = - 6 \\ a = - (6)/(2) \\ a = - 3`