3x+7=4x+7-x

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Solution for 3x+7=4x+7-x equation: 


Simplifying
3x + 7 = 4x + 7 + -1x

Reorder the terms:
7 + 3x = 4x + 7 + -1x

Reorder the terms:
7 + 3x = 7 + 4x + -1x

Combine like terms: 4x + -1x = 3x
7 + 3x = 7 + 3x

Add '-7' to each side of the equation.
7 + -7 + 3x = 7 + -7 + 3x

Combine like terms: 7 + -7 = 0
0 + 3x = 7 + -7 + 3x
3x = 7 + -7 + 3x

Combine like terms: 7 + -7 = 0
3x = 0 + 3x
3x = 3x

Add '-3x' to each side of the equation.
3x + -3x = 3x + -3x

Combine like terms: 3x + -3x = 0
0 = 3x + -3x

Combine like terms: 3x + -3x = 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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