13c-c+c-12c+c+2=18

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Solution for 13c-c+c-12c+c+2=18 equation:


Simplifying
13c + -1c + c + -12c + c + 2 = 18

Reorder the terms:
2 + 13c + -1c + c + -12c + c = 18

Combine like terms: 13c + -1c = 12c
2 + 12c + c + -12c + c = 18

Combine like terms: 12c + c = 13c
2 + 13c + -12c + c = 18

Combine like terms: 13c + -12c = 1c
2 + 1c + c = 18

Combine like terms: 1c + c = 2c
2 + 2c = 18

Solving
2 + 2c = 18

Solving for variable 'c'.

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

Add '-2' to each side of the equation.
2 + -2 + 2c = 18 + -2

Combine like terms: 2 + -2 = 0
0 + 2c = 18 + -2
2c = 18 + -2

Combine like terms: 18 + -2 = 16
2c = 16

Divide each side by '2'.
c = 8

Simplifying
c = 8

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