(-9-12)x=8-4x

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Solution for (-9-12)x=8-4x equation:


Simplifying
(-9 + -12) * x = 8 + -4x

Combine like terms: -9 + -12 = -21
(-21) * x = 8 + -4x

Solving
-21x = 8 + -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.
-21x + 4x = 8 + -4x + 4x

Combine like terms: -21x + 4x = -17x
-17x = 8 + -4x + 4x

Combine like terms: -4x + 4x = 0
-17x = 8 + 0
-17x = 8

Divide each side by '-17'.
x = -0.4705882353

Simplifying
x = -0.4705882353

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