9(x-8)=-4x-20

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Solution for 9(x-8)=-4x-20 equation:


Simplifying
9(x + -8) = -4x + -20

Reorder the terms:
9(-8 + x) = -4x + -20
(-8 * 9 + x * 9) = -4x + -20
(-72 + 9x) = -4x + -20

Reorder the terms:
-72 + 9x = -20 + -4x

Solving
-72 + 9x = -20 + -4x

Solving for variable 'x'.

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

Add '4x' to each side of the equation.
-72 + 9x + 4x = -20 + -4x + 4x

Combine like terms: 9x + 4x = 13x
-72 + 13x = -20 + -4x + 4x

Combine like terms: -4x + 4x = 0
-72 + 13x = -20 + 0
-72 + 13x = -20

Add '72' to each side of the equation.
-72 + 72 + 13x = -20 + 72

Combine like terms: -72 + 72 = 0
0 + 13x = -20 + 72
13x = -20 + 72

Combine like terms: -20 + 72 = 52
13x = 52

Divide each side by '13'.
x = 4

Simplifying
x = 4

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