3x+9-x+4-2x=18

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Solution for 3x+9-x+4-2x=18 equation: 


Simplifying
3x + 9 + -1x + 4 + -2x = 18

Reorder the terms:
9 + 4 + 3x + -1x + -2x = 18

Combine like terms: 9 + 4 = 13
13 + 3x + -1x + -2x = 18

Combine like terms: 3x + -1x = 2x
13 + 2x + -2x = 18

Combine like terms: 2x + -2x = 0
13 + 0 = 18
13 = 18

Solving
13 = 18

Couldn't find a variable to solve for.

This equation is invalid, the left and right sides are not equal, therefore there is no solution.

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