cx+dy=20

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Solution for cx+dy=20 equation: 


Simplifying
cx + dy = 20

Solving
cx + dy = 20

Solving for variable 'c'.

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

Add '-1dy' to each side of the equation.
cx + dy + -1dy = 20 + -1dy

Combine like terms: dy + -1dy = 0
cx + 0 = 20 + -1dy
cx = 20 + -1dy

Divide each side by 'x'.
c = 20x-1 + -1dx-1y

Simplifying
c = 20x-1 + -1dx-1y

Reorder the terms:
c = -1dx-1y + 20x-1

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