9.9x+20.89=-10.1x+19.99

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Solution for 9.9x+20.89=-10.1x+19.99 equation:


Simplifying
9.9x + 20.89 = -10.1x + 19.99

Reorder the terms:
20.89 + 9.9x = -10.1x + 19.99

Reorder the terms:
20.89 + 9.9x = 19.99 + -10.1x

Solving
20.89 + 9.9x = 19.99 + -10.1x

Solving for variable 'x'.

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

Add '10.1x' to each side of the equation.
20.89 + 9.9x + 10.1x = 19.99 + -10.1x + 10.1x

Combine like terms: 9.9x + 10.1x = 20x
20.89 + 20x = 19.99 + -10.1x + 10.1x

Combine like terms: -10.1x + 10.1x = 0.0
20.89 + 20x = 19.99 + 0.0
20.89 + 20x = 19.99

Add '-20.89' to each side of the equation.
20.89 + -20.89 + 20x = 19.99 + -20.89

Combine like terms: 20.89 + -20.89 = 0.00
0.00 + 20x = 19.99 + -20.89
20x = 19.99 + -20.89

Combine like terms: 19.99 + -20.89 = -0.9
20x = -0.9

Divide each side by '20'.
x = -0.045

Simplifying
x = -0.045

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