7(3x+5)=21x-9

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Solution for 7(3x+5)=21x-9 equation: 


Simplifying
7(3x + 5) = 21x + -9

Reorder the terms:
7(5 + 3x) = 21x + -9
(5 * 7 + 3x * 7) = 21x + -9
(35 + 21x) = 21x + -9

Reorder the terms:
35 + 21x = -9 + 21x

Add '-21x' to each side of the equation.
35 + 21x + -21x = -9 + 21x + -21x

Combine like terms: 21x + -21x = 0
35 + 0 = -9 + 21x + -21x
35 = -9 + 21x + -21x

Combine like terms: 21x + -21x = 0
35 = -9 + 0
35 = -9

Solving
35 = -9

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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