9-2x+4x=12

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Solution for 9-2x+4x=12 equation: 


Simplifying
9 + -2x + 4x = 12

Combine like terms: -2x + 4x = 2x
9 + 2x = 12

Solving
9 + 2x = 12

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 + 2x = 12 + -9

Combine like terms: 9 + -9 = 0
0 + 2x = 12 + -9
2x = 12 + -9

Combine like terms: 12 + -9 = 3
2x = 3

Divide each side by '2'.
x = 1.5

Simplifying
x = 1.5

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