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

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


Simplifying
(-9x + -12) + (x + -8) = 0

Reorder the terms:
(-12 + -9x) + (x + -8) = 0

Remove parenthesis around (-12 + -9x)
-12 + -9x + (x + -8) = 0

Reorder the terms:
-12 + -9x + (-8 + x) = 0

Remove parenthesis around (-8 + x)
-12 + -9x + -8 + x = 0

Reorder the terms:
-12 + -8 + -9x + x = 0

Combine like terms: -12 + -8 = -20
-20 + -9x + x = 0

Combine like terms: -9x + x = -8x
-20 + -8x = 0

Solving
-20 + -8x = 0

Solving for variable 'x'.

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

Add '20' to each side of the equation.
-20 + 20 + -8x = 0 + 20

Combine like terms: -20 + 20 = 0
0 + -8x = 0 + 20
-8x = 0 + 20

Combine like terms: 0 + 20 = 20
-8x = 20

Divide each side by '-8'.
x = -2.5

Simplifying
x = -2.5

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