400-80x+40y=0

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Solution for 400-80x+40y=0 equation:


Simplifying
400 + -80x + 40y = 0

Solving
400 + -80x + 40y = 0

Solving for variable 'x'.

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

Add '-400' to each side of the equation.
400 + -80x + -400 + 40y = 0 + -400

Reorder the terms:
400 + -400 + -80x + 40y = 0 + -400

Combine like terms: 400 + -400 = 0
0 + -80x + 40y = 0 + -400
-80x + 40y = 0 + -400

Combine like terms: 0 + -400 = -400
-80x + 40y = -400

Add '-40y' to each side of the equation.
-80x + 40y + -40y = -400 + -40y

Combine like terms: 40y + -40y = 0
-80x + 0 = -400 + -40y
-80x = -400 + -40y

Divide each side by '-80'.
x = 5 + 0.5y

Simplifying
x = 5 + 0.5y

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