.40x+.80y=50

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Solution for .40x+.80y=50 equation: 


Simplifying
0.40x + 0.80y = 50

Solving
0.40x + 0.80y = 50

Solving for variable 'x'.

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

Add '-0.80y' to each side of the equation.
0.40x + 0.80y + -0.80y = 50 + -0.80y

Combine like terms: 0.80y + -0.80y = 0.00
0.40x + 0.00 = 50 + -0.80y
0.40x = 50 + -0.80y

Divide each side by '0.40'.
x = 125 + -2y

Simplifying
x = 125 + -2y

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