7c-28=-7

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Solution for 7c-28=-7 equation: 


Simplifying
7c + -28 = -7

Reorder the terms:
-28 + 7c = -7

Solving
-28 + 7c = -7

Solving for variable 'c'.

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

Add '28' to each side of the equation.
-28 + 28 + 7c = -7 + 28

Combine like terms: -28 + 28 = 0
0 + 7c = -7 + 28
7c = -7 + 28

Combine like terms: -7 + 28 = 21
7c = 21

Divide each side by '7'.
c = 3

Simplifying
c = 3

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