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

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


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

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

Combine like terms: 2x + -9x = -7x
7 + -7x = 9 + -1(7x + 2)

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

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

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

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

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

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

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

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

Solving
0 = 0

Couldn't find a variable to solve for.

This equation is an identity, all real numbers are solutions.

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