-x-7=-9x+9

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


Simplifying
-1x + -7 = -9x + 9

Reorder the terms:
-7 + -1x = -9x + 9

Reorder the terms:
-7 + -1x = 9 + -9x

Solving
-7 + -1x = 9 + -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.
-7 + -1x + 9x = 9 + -9x + 9x

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

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

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

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

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

Divide each side by '8'.
x = 2

Simplifying
x = 2

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