5c-4=21

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Solution for 5c-4=21 equation:


Simplifying
5c + -4 = 21

Reorder the terms:
-4 + 5c = 21

Solving
-4 + 5c = 21

Solving for variable 'c'.

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

Add '4' to each side of the equation.
-4 + 4 + 5c = 21 + 4

Combine like terms: -4 + 4 = 0
0 + 5c = 21 + 4
5c = 21 + 4

Combine like terms: 21 + 4 = 25
5c = 25

Divide each side by '5'.
c = 5

Simplifying
c = 5

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