400=5x+8y

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Solution for 400=5x+8y equation:


Simplifying
400 = 5x + 8y

Solving
400 = 5x + 8y

Solving for variable 'x'.

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

Add '-5x' to each side of the equation.
400 + -5x = 5x + -5x + 8y

Combine like terms: 5x + -5x = 0
400 + -5x = 0 + 8y
400 + -5x = 8y

Add '-400' to each side of the equation.
400 + -400 + -5x = -400 + 8y

Combine like terms: 400 + -400 = 0
0 + -5x = -400 + 8y
-5x = -400 + 8y

Divide each side by '-5'.
x = 80 + -1.6y

Simplifying
x = 80 + -1.6y

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