8x-15x=81-18

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Solution for 8x-15x=81-18 equation: 


Simplifying
8x + -15x = 81 + -18

Combine like terms: 8x + -15x = -7x
-7x = 81 + -18

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

Solving
-7x = 63

Solving for variable 'x'.

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

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

Simplifying
x = -9

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