7x-9+2x=4+9x-13

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Solution for 7x-9+2x=4+9x-13 equation:


Simplifying
7x + -9 + 2x = 4 + 9x + -13

Reorder the terms:
-9 + 7x + 2x = 4 + 9x + -13

Combine like terms: 7x + 2x = 9x
-9 + 9x = 4 + 9x + -13

Reorder the terms:
-9 + 9x = 4 + -13 + 9x

Combine like terms: 4 + -13 = -9
-9 + 9x = -9 + 9x

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

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

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

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

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

Combine like terms: 9x + -9x = 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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