3x+21.6=-2x-21.9

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Solution for 3x+21.6=-2x-21.9 equation:


Simplifying
3x + 21.6 = -2x + -21.9

Reorder the terms:
21.6 + 3x = -2x + -21.9

Reorder the terms:
21.6 + 3x = -21.9 + -2x

Solving
21.6 + 3x = -21.9 + -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.
21.6 + 3x + 2x = -21.9 + -2x + 2x

Combine like terms: 3x + 2x = 5x
21.6 + 5x = -21.9 + -2x + 2x

Combine like terms: -2x + 2x = 0
21.6 + 5x = -21.9 + 0
21.6 + 5x = -21.9

Add '-21.6' to each side of the equation.
21.6 + -21.6 + 5x = -21.9 + -21.6

Combine like terms: 21.6 + -21.6 = 0.0
0.0 + 5x = -21.9 + -21.6
5x = -21.9 + -21.6

Combine like terms: -21.9 + -21.6 = -43.5
5x = -43.5

Divide each side by '5'.
x = -8.7

Simplifying
x = -8.7

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