3x+x+7=9x-5x+7

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Solution for 3x+x+7=9x-5x+7 equation:


Simplifying
3x + x + 7 = 9x + -5x + 7

Reorder the terms:
7 + 3x + x = 9x + -5x + 7

Combine like terms: 3x + x = 4x
7 + 4x = 9x + -5x + 7

Reorder the terms:
7 + 4x = 7 + 9x + -5x

Combine like terms: 9x + -5x = 4x
7 + 4x = 7 + 4x

Add '-7' to each side of the equation.
7 + -7 + 4x = 7 + -7 + 4x

Combine like terms: 7 + -7 = 0
0 + 4x = 7 + -7 + 4x
4x = 7 + -7 + 4x

Combine like terms: 7 + -7 = 0
4x = 0 + 4x
4x = 4x

Add '-4x' to each side of the equation.
4x + -4x = 4x + -4x

Combine like terms: 4x + -4x = 0
0 = 4x + -4x

Combine like terms: 4x + -4x = 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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