-2(3x+6)+9=-6x+21

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Solution for -2(3x+6)+9=-6x+21 equation:


Simplifying
-2(3x + 6) + 9 = -6x + 21

Reorder the terms:
-2(6 + 3x) + 9 = -6x + 21
(6 * -2 + 3x * -2) + 9 = -6x + 21
(-12 + -6x) + 9 = -6x + 21

Reorder the terms:
-12 + 9 + -6x = -6x + 21

Combine like terms: -12 + 9 = -3
-3 + -6x = -6x + 21

Reorder the terms:
-3 + -6x = 21 + -6x

Add '6x' to each side of the equation.
-3 + -6x + 6x = 21 + -6x + 6x

Combine like terms: -6x + 6x = 0
-3 + 0 = 21 + -6x + 6x
-3 = 21 + -6x + 6x

Combine like terms: -6x + 6x = 0
-3 = 21 + 0
-3 = 21

Solving
-3 = 21

Couldn't find a variable to solve for.

This equation is invalid, the left and right sides are not equal, therefore there is no solution.

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