Question

Solve, then check algebraically and graphically. 9x-3=78

Answer 1

`9x - 3 = 78 \\9 x = 78 + 3 \\ 9x = 81 \\ x = (81)/(9) \\ x = 9`

Answer 2

`9x - 3 = 78 \\ 9x - 3 + 3 = 78 + 3 \\ 9x = 81 \\ (9x)/(9) = (81)/(9) \\ x = 9`