-7(3x-4)+7=-21x+35

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Solution for -7(3x-4)+7=-21x+35 equation: 


Simplifying
-7(3x + -4) + 7 = -21x + 35

Reorder the terms:
-7(-4 + 3x) + 7 = -21x + 35
(-4 * -7 + 3x * -7) + 7 = -21x + 35
(28 + -21x) + 7 = -21x + 35

Reorder the terms:
28 + 7 + -21x = -21x + 35

Combine like terms: 28 + 7 = 35
35 + -21x = -21x + 35

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

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

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

Combine like terms: 35 + -35 = 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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