3x+9-2x=15

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Solution for 3x+9-2x=15 equation: 


Simplifying
3x + 9 + -2x = 15

Reorder the terms:
9 + 3x + -2x = 15

Combine like terms: 3x + -2x = 1x
9 + 1x = 15

Solving
9 + 1x = 15

Solving for variable 'x'.

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

Add '-9' to each side of the equation.
9 + -9 + 1x = 15 + -9

Combine like terms: 9 + -9 = 0
0 + 1x = 15 + -9
1x = 15 + -9

Combine like terms: 15 + -9 = 6
1x = 6

Divide each side by '1'.
x = 6

Simplifying
x = 6

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