(-9x)+(-81)+(-9x)+(-9)=27

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Solution for (-9x)+(-81)+(-9x)+(-9)=27 equation:


Simplifying
(-9x) + (-81) + (-9x) + (-9) = 27
(-9x) + -81 + (-9x) + (-9) = 27
(-9x) + -81 + (-9x) + -9 = 27

Reorder the terms:
-81 + -9 + (-9x) + (-9x) = 27

Combine like terms: -81 + -9 = -90
-90 + (-9x) + (-9x) = 27

Combine like terms: (-9x) + (-9x) = -18x
-90 + -18x = 27

Solving
-90 + -18x = 27

Solving for variable 'x'.

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

Add '90' to each side of the equation.
-90 + 90 + -18x = 27 + 90

Combine like terms: -90 + 90 = 0
0 + -18x = 27 + 90
-18x = 27 + 90

Combine like terms: 27 + 90 = 117
-18x = 117

Divide each side by '-18'.
x = -6.5

Simplifying
x = -6.5

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