3-x=2x+9

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Solution for 3-x=2x+9 equation:


Simplifying
3 + -1x = 2x + 9

Reorder the terms:
3 + -1x = 9 + 2x

Solving
3 + -1x = 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.
3 + -1x + -2x = 9 + 2x + -2x

Combine like terms: -1x + -2x = -3x
3 + -3x = 9 + 2x + -2x

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

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

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

Combine like terms: 9 + -3 = 6
-3x = 6

Divide each side by '-3'.
x = -2

Simplifying
x = -2

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