-7(3x-2)+6=-21x+20

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Solution for -7(3x-2)+6=-21x+20 equation: 


Simplifying
-7(3x + -2) + 6 = -21x + 20

Reorder the terms:
-7(-2 + 3x) + 6 = -21x + 20
(-2 * -7 + 3x * -7) + 6 = -21x + 20
(14 + -21x) + 6 = -21x + 20

Reorder the terms:
14 + 6 + -21x = -21x + 20

Combine like terms: 14 + 6 = 20
20 + -21x = -21x + 20

Reorder the terms:
20 + -21x = 20 + -21x

Add '-20' to each side of the equation.
20 + -20 + -21x = 20 + -20 + -21x

Combine like terms: 20 + -20 = 0
0 + -21x = 20 + -20 + -21x
-21x = 20 + -20 + -21x

Combine like terms: 20 + -20 = 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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