20x+10y=420

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Solution for 20x+10y=420 equation: 


Simplifying
20x + 10y = 420

Solving
20x + 10y = 420

Solving for variable 'x'.

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

Add '-10y' to each side of the equation.
20x + 10y + -10y = 420 + -10y

Combine like terms: 10y + -10y = 0
20x + 0 = 420 + -10y
20x = 420 + -10y

Divide each side by '20'.
x = 21 + -0.5y

Simplifying
x = 21 + -0.5y

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