5x+7=2x+3*(x+9)-20

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Solution for 5x+7=2x+3*(x+9)-20 equation: 


Simplifying
5x + 7 = 2x + 3(x + 9) + -20

Reorder the terms:
7 + 5x = 2x + 3(x + 9) + -20

Reorder the terms:
7 + 5x = 2x + 3(9 + x) + -20
7 + 5x = 2x + (9 * 3 + x * 3) + -20
7 + 5x = 2x + (27 + 3x) + -20

Reorder the terms:
7 + 5x = 27 + -20 + 2x + 3x

Combine like terms: 27 + -20 = 7
7 + 5x = 7 + 2x + 3x

Combine like terms: 2x + 3x = 5x
7 + 5x = 7 + 5x

Add '-7' to each side of the equation.
7 + -7 + 5x = 7 + -7 + 5x

Combine like terms: 7 + -7 = 0
0 + 5x = 7 + -7 + 5x
5x = 7 + -7 + 5x

Combine like terms: 7 + -7 = 0
5x = 0 + 5x
5x = 5x

Add '-5x' to each side of the equation.
5x + -5x = 5x + -5x

Combine like terms: 5x + -5x = 0
0 = 5x + -5x

Combine like terms: 5x + -5x = 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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