-28=-21x-28+21x

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Solution for -28=-21x-28+21x equation: 


Simplifying
-28 = -21x + -28 + 21x

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

Combine like terms: -21x + 21x = 0
-28 = -28 + 0
-28 = -28

Add '28' to each side of the equation.
-28 + 28 = -28 + 28

Combine like terms: -28 + 28 = 0
0 = -28 + 28

Combine like terms: -28 + 28 = 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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