840=50x+20y

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Solution for 840=50x+20y equation:


Simplifying
840 = 50x + 20y

Solving
840 = 50x + 20y

Solving for variable 'x'.

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

Add '-50x' to each side of the equation.
840 + -50x = 50x + -50x + 20y

Combine like terms: 50x + -50x = 0
840 + -50x = 0 + 20y
840 + -50x = 20y

Add '-840' to each side of the equation.
840 + -840 + -50x = -840 + 20y

Combine like terms: 840 + -840 = 0
0 + -50x = -840 + 20y
-50x = -840 + 20y

Divide each side by '-50'.
x = 16.8 + -0.4y

Simplifying
x = 16.8 + -0.4y

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