0.7x+0.4y=2.7

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Solution for 0.7x+0.4y=2.7 equation: 


Simplifying
0.7x + 0.4y = 2.7

Solving
0.7x + 0.4y = 2.7

Solving for variable 'x'.

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

Add '-0.4y' to each side of the equation.
0.7x + 0.4y + -0.4y = 2.7 + -0.4y

Combine like terms: 0.4y + -0.4y = 0.0
0.7x + 0.0 = 2.7 + -0.4y
0.7x = 2.7 + -0.4y

Divide each side by '0.7'.
x = 3.857142857 + -0.5714285714y

Simplifying
x = 3.857142857 + -0.5714285714y

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