-7(4x+3)=-28x-21

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Solution for -7(4x+3)=-28x-21 equation: 


Simplifying
-7(4x + 3) = -28x + -21

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

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

Add '21' to each side of the equation.
-21 + 21 + -28x = -21 + 21 + -28x

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

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

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

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

Combine like terms: -28x + 28x = 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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