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

asked Nov 16, 2015 100k views

1 vote

If 9(x − 9) = −11, then x = ?

A. -92/9
B. -20/9
C. -11/9
D. -2/9
E. 70/9

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4 votes

$9(x - 9) = -11\\ 9x-81=-11\\ 9x=70\\ x=(70)/(9)$

Iman Roosta answered Nov 17, 2015

7.9k points

6 votes

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

Purva answered Nov 20, 2015

by Purva

8.0k points

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