4x-4x=30

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Solution for 4x-4x=30 equation: 


Simplifying
4x + -4x = 30

Combine like terms: 4x + -4x = 0
0 = 30

Solving
0 = 30

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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