21c-126=8c+56

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Solution for 21c-126=8c+56 equation:


Simplifying
21c + -126 = 8c + 56

Reorder the terms:
-126 + 21c = 8c + 56

Reorder the terms:
-126 + 21c = 56 + 8c

Solving
-126 + 21c = 56 + 8c

Solving for variable 'c'.

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

Add '-8c' to each side of the equation.
-126 + 21c + -8c = 56 + 8c + -8c

Combine like terms: 21c + -8c = 13c
-126 + 13c = 56 + 8c + -8c

Combine like terms: 8c + -8c = 0
-126 + 13c = 56 + 0
-126 + 13c = 56

Add '126' to each side of the equation.
-126 + 126 + 13c = 56 + 126

Combine like terms: -126 + 126 = 0
0 + 13c = 56 + 126
13c = 56 + 126

Combine like terms: 56 + 126 = 182
13c = 182

Divide each side by '13'.
c = 14

Simplifying
c = 14

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