-3x-21=6-2x

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Solution for -3x-21=6-2x equation:


Simplifying
-3x + -21 = 6 + -2x

Reorder the terms:
-21 + -3x = 6 + -2x

Solving
-21 + -3x = 6 + -2x

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '2x' to each side of the equation.
-21 + -3x + 2x = 6 + -2x + 2x

Combine like terms: -3x + 2x = -1x
-21 + -1x = 6 + -2x + 2x

Combine like terms: -2x + 2x = 0
-21 + -1x = 6 + 0
-21 + -1x = 6

Add '21' to each side of the equation.
-21 + 21 + -1x = 6 + 21

Combine like terms: -21 + 21 = 0
0 + -1x = 6 + 21
-1x = 6 + 21

Combine like terms: 6 + 21 = 27
-1x = 27

Divide each side by '-1'.
x = -27

Simplifying
x = -27

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