-12-3(-4x+5)=3(4x-5)-42

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Solution for -12-3(-4x+5)=3(4x-5)-42 equation: 


Simplifying
-12 + -3(-4x + 5) = 3(4x + -5) + -42

Reorder the terms:
-12 + -3(5 + -4x) = 3(4x + -5) + -42
-12 + (5 * -3 + -4x * -3) = 3(4x + -5) + -42
-12 + (-15 + 12x) = 3(4x + -5) + -42

Combine like terms: -12 + -15 = -27
-27 + 12x = 3(4x + -5) + -42

Reorder the terms:
-27 + 12x = 3(-5 + 4x) + -42
-27 + 12x = (-5 * 3 + 4x * 3) + -42
-27 + 12x = (-15 + 12x) + -42

Reorder the terms:
-27 + 12x = -15 + -42 + 12x

Combine like terms: -15 + -42 = -57
-27 + 12x = -57 + 12x

Add '-12x' to each side of the equation.
-27 + 12x + -12x = -57 + 12x + -12x

Combine like terms: 12x + -12x = 0
-27 + 0 = -57 + 12x + -12x
-27 = -57 + 12x + -12x

Combine like terms: 12x + -12x = 0
-27 = -57 + 0
-27 = -57

Solving
-27 = -57

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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