Question

If 9(x − 9) = −11, then x = ? A. -92/9 B. -20/9 C. -11/9 D. -2/9 E. 70/9

Answer 1

$9(x - 9) = -11\\ 9x-81=-11\\ 9x=70\\ x=\frac{70}{9}$

Answer 2

$9(x - 9) =-11\\ \\9x-9\cdot 9=-11\\ \\9x-81=-11 \ \ |+81\\ \\9x-81+81=-11+81\\ \\9x=70 \ \ /:9\\ \\x=\frac{70}{9}\\ \\Answer : \ E. \ \ 70/9$