7+3x=3x-7

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


Simplifying
7 + 3x = 3x + -7

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

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

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

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

Solving
7 = -7

Couldn't find a variable to solve for.

This equation is invalid, the left and right sides are not equal, therefore there is no solution.

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