6x-13x-18=-81

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Solution for 6x-13x-18=-81 equation:


Simplifying
6x + -13x + -18 = -81

Reorder the terms:
-18 + 6x + -13x = -81

Combine like terms: 6x + -13x = -7x
-18 + -7x = -81

Solving
-18 + -7x = -81

Solving for variable 'x'.

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

Add '18' to each side of the equation.
-18 + 18 + -7x = -81 + 18

Combine like terms: -18 + 18 = 0
0 + -7x = -81 + 18
-7x = -81 + 18

Combine like terms: -81 + 18 = -63
-7x = -63

Divide each side by '-7'.
x = 9

Simplifying
x = 9

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