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

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


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

Reorder the terms:
-3(4 + x) = -3x + -7
(4 * -3 + x * -3) = -3x + -7
(-12 + -3x) = -3x + -7

Reorder the terms:
-12 + -3x = -7 + -3x

Add '3x' to each side of the equation.
-12 + -3x + 3x = -7 + -3x + 3x

Combine like terms: -3x + 3x = 0
-12 + 0 = -7 + -3x + 3x
-12 = -7 + -3x + 3x

Combine like terms: -3x + 3x = 0
-12 = -7 + 0
-12 = -7

Solving
-12 = -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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