3(7x+7)-7=21x+14

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Solution for 3(7x+7)-7=21x+14 equation: 


Simplifying
3(7x + 7) + -7 = 21x + 14

Reorder the terms:
3(7 + 7x) + -7 = 21x + 14
(7 * 3 + 7x * 3) + -7 = 21x + 14
(21 + 21x) + -7 = 21x + 14

Reorder the terms:
21 + -7 + 21x = 21x + 14

Combine like terms: 21 + -7 = 14
14 + 21x = 21x + 14

Reorder the terms:
14 + 21x = 14 + 21x

Add '-14' to each side of the equation.
14 + -14 + 21x = 14 + -14 + 21x

Combine like terms: 14 + -14 = 0
0 + 21x = 14 + -14 + 21x
21x = 14 + -14 + 21x

Combine like terms: 14 + -14 = 0
21x = 0 + 21x
21x = 21x

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

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

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

Solving
0 = 0

Couldn't find a variable to solve for.

This equation is an identity, all real numbers are solutions.

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