9x-9=x+7

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


Simplifying
9x + -9 = x + 7

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

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

Solving
-9 + 9x = 7 + x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
-9 + 9x + -1x = 7 + x + -1x

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

Combine like terms: x + -1x = 0
-9 + 8x = 7 + 0
-9 + 8x = 7

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

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

Combine like terms: 7 + 9 = 16
8x = 16

Divide each side by '8'.
x = 2

Simplifying
x = 2

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