3x-(3x+4)=7

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


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

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

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

Combine like terms: 3x + -3x = 0
-4 + 0 = 7
-4 = 7

Solving
-4 = 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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