Question

solve the equation "3x - 8 = 4" for x

Answer 1

3x - 8 = 4

or, 3x = 4 + 8

or, 3x = 12

or, x = 12/3

or, x = 4

So, x is 4.

Answer 2

Answer:

$3x - 8 = 4 \\ 3x = 8 + 4 \\ 3x = 12 \\ x = \frac{12}{3} \\ \boxed{x = 4}$

• x = 4 is the right answer.