-7(3x-7)+7=-21x+56

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Solution for -7(3x-7)+7=-21x+56 equation: 


Simplifying
-7(3x + -7) + 7 = -21x + 56

Reorder the terms:
-7(-7 + 3x) + 7 = -21x + 56
(-7 * -7 + 3x * -7) + 7 = -21x + 56
(49 + -21x) + 7 = -21x + 56

Reorder the terms:
49 + 7 + -21x = -21x + 56

Combine like terms: 49 + 7 = 56
56 + -21x = -21x + 56

Reorder the terms:
56 + -21x = 56 + -21x

Add '-56' to each side of the equation.
56 + -56 + -21x = 56 + -56 + -21x

Combine like terms: 56 + -56 = 0
0 + -21x = 56 + -56 + -21x
-21x = 56 + -56 + -21x

Combine like terms: 56 + -56 = 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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