10+x=9-2x

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Solution for 10+x=9-2x equation:


Simplifying
10 + x = 9 + -2x

Solving
10 + x = 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.
10 + x + 2x = 9 + -2x + 2x

Combine like terms: x + 2x = 3x
10 + 3x = 9 + -2x + 2x

Combine like terms: -2x + 2x = 0
10 + 3x = 9 + 0
10 + 3x = 9

Add '-10' to each side of the equation.
10 + -10 + 3x = 9 + -10

Combine like terms: 10 + -10 = 0
0 + 3x = 9 + -10
3x = 9 + -10

Combine like terms: 9 + -10 = -1
3x = -1

Divide each side by '3'.
x = -0.3333333333

Simplifying
x = -0.3333333333

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