-3x+(-21)=2x

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


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

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

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

Combine like terms: -3x + -2x = -5x
-21 + -5x = 2x + -2x

Combine like terms: 2x + -2x = 0
-21 + -5x = 0

Add '21' to each side of the equation.
-21 + 21 + -5x = 0 + 21

Combine like terms: -21 + 21 = 0
0 + -5x = 0 + 21
-5x = 0 + 21

Combine like terms: 0 + 21 = 21
-5x = 21

Divide each side by '-5'.
x = -4.2

Simplifying
x = -4.2

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