3x-7.8y=18

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Solution for 3x-7.8y=18 equation: 


Simplifying
3x + -7.8y = 18

Solving
3x + -7.8y = 18

Solving for variable 'x'.

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

Add '7.8y' to each side of the equation.
3x + -7.8y + 7.8y = 18 + 7.8y

Combine like terms: -7.8y + 7.8y = 0.0
3x + 0.0 = 18 + 7.8y
3x = 18 + 7.8y

Divide each side by '3'.
x = 6 + 2.6y

Simplifying
x = 6 + 2.6y

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