2x-(9x+9)=15-7x

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Solution for 2x-(9x+9)=15-7x equation: 


Simplifying
2x + -1(9x + 9) = 15 + -7x

Reorder the terms:
2x + -1(9 + 9x) = 15 + -7x
2x + (9 * -1 + 9x * -1) = 15 + -7x
2x + (-9 + -9x) = 15 + -7x

Reorder the terms:
-9 + 2x + -9x = 15 + -7x

Combine like terms: 2x + -9x = -7x
-9 + -7x = 15 + -7x

Add '7x' to each side of the equation.
-9 + -7x + 7x = 15 + -7x + 7x

Combine like terms: -7x + 7x = 0
-9 + 0 = 15 + -7x + 7x
-9 = 15 + -7x + 7x

Combine like terms: -7x + 7x = 0
-9 = 15 + 0
-9 = 15

Solving
-9 = 15

Couldn't find a variable to solve for.

This equation is invalid, the left and right sides are not equal, therefore there is no solution.

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