7c-3c-20=50

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Solution for 7c-3c-20=50 equation:


Simplifying
7c + -3c + -20 = 50

Reorder the terms:
-20 + 7c + -3c = 50

Combine like terms: 7c + -3c = 4c
-20 + 4c = 50

Solving
-20 + 4c = 50

Solving for variable 'c'.

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

Add '20' to each side of the equation.
-20 + 20 + 4c = 50 + 20

Combine like terms: -20 + 20 = 0
0 + 4c = 50 + 20
4c = 50 + 20

Combine like terms: 50 + 20 = 70
4c = 70

Divide each side by '4'.
c = 17.5

Simplifying
c = 17.5

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