7-8x=9x+7

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


Simplifying
7 + -8x = 9x + 7

Reorder the terms:
7 + -8x = 7 + 9x

Add '-7' to each side of the equation.
7 + -7 + -8x = 7 + -7 + 9x

Combine like terms: 7 + -7 = 0
0 + -8x = 7 + -7 + 9x
-8x = 7 + -7 + 9x

Combine like terms: 7 + -7 = 0
-8x = 0 + 9x
-8x = 9x

Solving
-8x = 9x

Solving for variable 'x'.

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

Add '-9x' to each side of the equation.
-8x + -9x = 9x + -9x

Combine like terms: -8x + -9x = -17x
-17x = 9x + -9x

Combine like terms: 9x + -9x = 0
-17x = 0

Divide each side by '-17'.
x = 0

Simplifying
x = 0

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