960=-8(-9x-21)

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Solution for 960=-8(-9x-21) equation:


Simplifying
960 = -8(-9x + -21)

Reorder the terms:
960 = -8(-21 + -9x)
960 = (-21 * -8 + -9x * -8)
960 = (168 + 72x)

Solving
960 = 168 + 72x

Solving for variable 'x'.

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

Add '-72x' to each side of the equation.
960 + -72x = 168 + 72x + -72x

Combine like terms: 72x + -72x = 0
960 + -72x = 168 + 0
960 + -72x = 168

Add '-960' to each side of the equation.
960 + -960 + -72x = 168 + -960

Combine like terms: 960 + -960 = 0
0 + -72x = 168 + -960
-72x = 168 + -960

Combine like terms: 168 + -960 = -792
-72x = -792

Divide each side by '-72'.
x = 11

Simplifying
x = 11

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