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

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


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

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

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

Add '21' to each side of the equation.
-21 + 21 + -6x = -21 + 21 + -6x

Combine like terms: -21 + 21 = 0
0 + -6x = -21 + 21 + -6x
-6x = -21 + 21 + -6x

Combine like terms: -21 + 21 = 0
-6x = 0 + -6x
-6x = -6x

Add '6x' to each side of the equation.
-6x + 6x = -6x + 6x

Combine like terms: -6x + 6x = 0
0 = -6x + 6x

Combine like terms: -6x + 6x = 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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