12x+9y=15

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Solution for 12x+9y=15 equation: 


Simplifying
12x + 9y = 15

Solving
12x + 9y = 15

Solving for variable 'x'.

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

Add '-9y' to each side of the equation.
12x + 9y + -9y = 15 + -9y

Combine like terms: 9y + -9y = 0
12x + 0 = 15 + -9y
12x = 15 + -9y

Divide each side by '12'.
x = 1.25 + -0.75y

Simplifying
x = 1.25 + -0.75y

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