3c-12-(-3c)=c+8

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Solution for 3c-12-(-3c)=c+8 equation:


Simplifying
3c + -12 + -1(-3c) = c + 8

Remove parenthesis around (-3c)
3c + -12 + -1 * -3c = c + 8

Multiply -1 * -3
3c + -12 + 3c = c + 8

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

Combine like terms: 3c + 3c = 6c
-12 + 6c = c + 8

Reorder the terms:
-12 + 6c = 8 + c

Solving
-12 + 6c = 8 + 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.
-12 + 6c + -1c = 8 + c + -1c

Combine like terms: 6c + -1c = 5c
-12 + 5c = 8 + c + -1c

Combine like terms: c + -1c = 0
-12 + 5c = 8 + 0
-12 + 5c = 8

Add '12' to each side of the equation.
-12 + 12 + 5c = 8 + 12

Combine like terms: -12 + 12 = 0
0 + 5c = 8 + 12
5c = 8 + 12

Combine like terms: 8 + 12 = 20
5c = 20

Divide each side by '5'.
c = 4

Simplifying
c = 4

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