8x-9x=-7

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Solution for 8x-9x=-7 equation: 


Simplifying
8x + -9x = -7

Combine like terms: 8x + -9x = -1x
-1x = -7

Solving
-1x = -7

Solving for variable 'x'.

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

Divide each side by '-1'.
x = 7

Simplifying
x = 7

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