9x+8=8x-7

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


Simplifying
9x + 8 = 8x + -7

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

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

Solving
8 + 9x = -7 + 8x

Solving for variable 'x'.

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

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

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

Combine like terms: 8x + -8x = 0
8 + 1x = -7 + 0
8 + 1x = -7

Add '-8' to each side of the equation.
8 + -8 + 1x = -7 + -8

Combine like terms: 8 + -8 = 0
0 + 1x = -7 + -8
1x = -7 + -8

Combine like terms: -7 + -8 = -15
1x = -15

Divide each side by '1'.
x = -15

Simplifying
x = -15

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