12x+5x=9-3x

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Solution for 12x+5x=9-3x equation: 


Simplifying
12x + 5x = 9 + -3x

Combine like terms: 12x + 5x = 17x
17x = 9 + -3x

Solving
17x = 9 + -3x

Solving for variable 'x'.

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

Add '3x' to each side of the equation.
17x + 3x = 9 + -3x + 3x

Combine like terms: 17x + 3x = 20x
20x = 9 + -3x + 3x

Combine like terms: -3x + 3x = 0
20x = 9 + 0
20x = 9

Divide each side by '20'.
x = 0.45

Simplifying
x = 0.45

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