7c-3c=20

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Solution for 7c-3c=20 equation: 


Simplifying
7c + -3c = 20

Combine like terms: 7c + -3c = 4c
4c = 20

Solving
4c = 20

Solving for variable 'c'.

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

Divide each side by '4'.
c = 5

Simplifying
c = 5

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