1.3x+1.2y=3.9

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Solution for 1.3x+1.2y=3.9 equation: 


Simplifying
1.3x + 1.2y = 3.9

Solving
1.3x + 1.2y = 3.9

Solving for variable 'x'.

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

Add '-1.2y' to each side of the equation.
1.3x + 1.2y + -1.2y = 3.9 + -1.2y

Combine like terms: 1.2y + -1.2y = 0.0
1.3x + 0.0 = 3.9 + -1.2y
1.3x = 3.9 + -1.2y

Divide each side by '1.3'.
x = 3 + -0.9230769231y

Simplifying
x = 3 + -0.9230769231y

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