How do you solve $- 8 (4 + 9 x) = 7 (- 2 - 11 x)$ $-8(4+9x)=7(-2-11x)$ ?

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How do you solve $- 8 (4 + 9 x) = 7 (- 2 - 11 x)$ $-8(4+9x)=7(-2-11x)$ ?

1 Answer

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Answer 1 · 2016-08-31T20:03:42

$x = \frac{18}{5}$ $x = 18/5$

Explanation:

Remove the brackets first.

$- 8 (4 + 9 x) = 7 (- 2 - 11 x)$ $" "-8(4+9x)=7(-2-11x)$
$- 32 - 72 x = - 14 - 77 x$ $" "-32-72x = -14-77x$
$77 x - 72 x = - 14 + 32 \leftarrow$ $" "77x -72x = -14+32 larr$ variables on one side.
$5 x = 18 \leftarrow$ $" "5x = 18 larr$ simplify

$x = \frac{18}{5}$ $" "x = 18/5$

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How do you solve $- 8 (4 + 9 x) = 7 (- 2 - 11 x)$ $-8(4+9x)=7(-2-11x)$ ?

1 Answer

Explanation:

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How do you solve −8(4+9x)=7(−2−11x)-8(4+9x)=7(-2-11x)?

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How do you solve $- 8 (4 + 9 x) = 7 (- 2 - 11 x)$ $-8(4+9x)=7(-2-11x)$ ?