-7(3x-1)=-21x-7

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Solution for -7(3x-1)=-21x-7 equation: 


Simplifying
-7(3x + -1) = -21x + -7

Reorder the terms:
-7(-1 + 3x) = -21x + -7
(-1 * -7 + 3x * -7) = -21x + -7
(7 + -21x) = -21x + -7

Reorder the terms:
7 + -21x = -7 + -21x

Add '21x' to each side of the equation.
7 + -21x + 21x = -7 + -21x + 21x

Combine like terms: -21x + 21x = 0
7 + 0 = -7 + -21x + 21x
7 = -7 + -21x + 21x

Combine like terms: -21x + 21x = 0
7 = -7 + 0
7 = -7

Solving
7 = -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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