12x-3(5+4x)=15

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Solution for 12x-3(5+4x)=15 equation: 


Simplifying
12x + -3(5 + 4x) = 15
12x + (5 * -3 + 4x * -3) = 15
12x + (-15 + -12x) = 15

Reorder the terms:
-15 + 12x + -12x = 15

Combine like terms: 12x + -12x = 0
-15 + 0 = 15
-15 = 15

Solving
-15 = 15

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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