Question

How do you solve `9- 3( a - 1) = 8+ a`?

Answer 1

`a` = 1

Explanation:

distribute the three; 9 - 3`a` + 3 = 8 + `a`

add 3`a` to both sides; 9 + 3 = `4a` + 8

subtract 8 from both sides; 4 = `4a`

divide both sides by 4

`a` = 1