15x+20y=640

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Solution for 15x+20y=640 equation: 


Simplifying
15x + 20y = 640

Solving
15x + 20y = 640

Solving for variable 'x'.

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

Add '-20y' to each side of the equation.
15x + 20y + -20y = 640 + -20y

Combine like terms: 20y + -20y = 0
15x + 0 = 640 + -20y
15x = 640 + -20y

Divide each side by '15'.
x = 42.66666667 + -1.333333333y

Simplifying
x = 42.66666667 + -1.333333333y

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