8(-8-3x)-7(-x-8)=9

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Solution for 8(-8-3x)-7(-x-8)=9 equation:


Simplifying
8(-8 + -3x) + -7(-1x + -8) = 9
(-8 * 8 + -3x * 8) + -7(-1x + -8) = 9
(-64 + -24x) + -7(-1x + -8) = 9

Reorder the terms:
-64 + -24x + -7(-8 + -1x) = 9
-64 + -24x + (-8 * -7 + -1x * -7) = 9
-64 + -24x + (56 + 7x) = 9

Reorder the terms:
-64 + 56 + -24x + 7x = 9

Combine like terms: -64 + 56 = -8
-8 + -24x + 7x = 9

Combine like terms: -24x + 7x = -17x
-8 + -17x = 9

Solving
-8 + -17x = 9

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '8' to each side of the equation.
-8 + 8 + -17x = 9 + 8

Combine like terms: -8 + 8 = 0
0 + -17x = 9 + 8
-17x = 9 + 8

Combine like terms: 9 + 8 = 17
-17x = 17

Divide each side by '-17'.
x = -1

Simplifying
x = -1

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