0.4x-0.5y=20

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Solution for 0.4x-0.5y=20 equation: 


Simplifying
0.4x + -0.5y = 20

Solving
0.4x + -0.5y = 20

Solving for variable 'x'.

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

Add '0.5y' to each side of the equation.
0.4x + -0.5y + 0.5y = 20 + 0.5y

Combine like terms: -0.5y + 0.5y = 0.0
0.4x + 0.0 = 20 + 0.5y
0.4x = 20 + 0.5y

Divide each side by '0.4'.
x = 50 + 1.25y

Simplifying
x = 50 + 1.25y

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