7(x+3)-9=20-6x-8+13x

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Solution for 7(x+3)-9=20-6x-8+13x equation: 


Simplifying
7(x + 3) + -9 = 20 + -6x + -8 + 13x

Reorder the terms:
7(3 + x) + -9 = 20 + -6x + -8 + 13x
(3 * 7 + x * 7) + -9 = 20 + -6x + -8 + 13x
(21 + 7x) + -9 = 20 + -6x + -8 + 13x

Reorder the terms:
21 + -9 + 7x = 20 + -6x + -8 + 13x

Combine like terms: 21 + -9 = 12
12 + 7x = 20 + -6x + -8 + 13x

Reorder the terms:
12 + 7x = 20 + -8 + -6x + 13x

Combine like terms: 20 + -8 = 12
12 + 7x = 12 + -6x + 13x

Combine like terms: -6x + 13x = 7x
12 + 7x = 12 + 7x

Add '-12' to each side of the equation.
12 + -12 + 7x = 12 + -12 + 7x

Combine like terms: 12 + -12 = 0
0 + 7x = 12 + -12 + 7x
7x = 12 + -12 + 7x

Combine like terms: 12 + -12 = 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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