3c-8+7=12+1+c

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Solution for 3c-8+7=12+1+c equation:


Simplifying
3c + -8 + 7 = 12 + 1 + c

Reorder the terms:
-8 + 7 + 3c = 12 + 1 + c

Combine like terms: -8 + 7 = -1
-1 + 3c = 12 + 1 + c

Combine like terms: 12 + 1 = 13
-1 + 3c = 13 + c

Solving
-1 + 3c = 13 + c

Solving for variable 'c'.

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

Add '-1c' to each side of the equation.
-1 + 3c + -1c = 13 + c + -1c

Combine like terms: 3c + -1c = 2c
-1 + 2c = 13 + c + -1c

Combine like terms: c + -1c = 0
-1 + 2c = 13 + 0
-1 + 2c = 13

Add '1' to each side of the equation.
-1 + 1 + 2c = 13 + 1

Combine like terms: -1 + 1 = 0
0 + 2c = 13 + 1
2c = 13 + 1

Combine like terms: 13 + 1 = 14
2c = 14

Divide each side by '2'.
c = 7

Simplifying
c = 7

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