7(3x-1)-21x=

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


Simplifying
7(3x + -1) + -21x = 0

Reorder the terms:
7(-1 + 3x) + -21x = 0
(-1 * 7 + 3x * 7) + -21x = 0
(-7 + 21x) + -21x = 0

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

Solving
-7 = 0

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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