cy-7=3y

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Solution for cy-7=3y equation: 


Simplifying
cy + -7 = 3y

Reorder the terms:
-7 + cy = 3y

Solving
-7 + cy = 3y

Solving for variable 'c'.

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

Add '7' to each side of the equation.
-7 + 7 + cy = 7 + 3y

Combine like terms: -7 + 7 = 0
0 + cy = 7 + 3y
cy = 7 + 3y

Divide each side by 'y'.
c = 7y-1 + 3

Simplifying
c = 7y-1 + 3

Reorder the terms:
c = 3 + 7y-1

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