7(3x+3)=21x+16

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Solution for 7(3x+3)=21x+16 equation: 


Simplifying
7(3x + 3) = 21x + 16

Reorder the terms:
7(3 + 3x) = 21x + 16
(3 * 7 + 3x * 7) = 21x + 16
(21 + 21x) = 21x + 16

Reorder the terms:
21 + 21x = 16 + 21x

Add '-21x' to each side of the equation.
21 + 21x + -21x = 16 + 21x + -21x

Combine like terms: 21x + -21x = 0
21 + 0 = 16 + 21x + -21x
21 = 16 + 21x + -21x

Combine like terms: 21x + -21x = 0
21 = 16 + 0
21 = 16

Solving
21 = 16

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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