-3X+7X-8=4(X-4)-4

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Solution for -3X+7X-8=4(X-4)-4 equation: 


Simplifying
-3X + 7X + -8 = 4(X + -4) + -4

Reorder the terms:
-8 + -3X + 7X = 4(X + -4) + -4

Combine like terms: -3X + 7X = 4X
-8 + 4X = 4(X + -4) + -4

Reorder the terms:
-8 + 4X = 4(-4 + X) + -4
-8 + 4X = (-4 * 4 + X * 4) + -4
-8 + 4X = (-16 + 4X) + -4

Reorder the terms:
-8 + 4X = -16 + -4 + 4X

Combine like terms: -16 + -4 = -20
-8 + 4X = -20 + 4X

Add '-4X' to each side of the equation.
-8 + 4X + -4X = -20 + 4X + -4X

Combine like terms: 4X + -4X = 0
-8 + 0 = -20 + 4X + -4X
-8 = -20 + 4X + -4X

Combine like terms: 4X + -4X = 0
-8 = -20 + 0
-8 = -20

Solving
-8 = -20

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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