3C-8C+7=-18

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Solution for 3C-8C+7=-18 equation: 


Simplifying
3C + -8C + 7 = -18

Reorder the terms:
7 + 3C + -8C = -18

Combine like terms: 3C + -8C = -5C
7 + -5C = -18

Solving
7 + -5C = -18

Solving for variable 'C'.

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

Add '-7' to each side of the equation.
7 + -7 + -5C = -18 + -7

Combine like terms: 7 + -7 = 0
0 + -5C = -18 + -7
-5C = -18 + -7

Combine like terms: -18 + -7 = -25
-5C = -25

Divide each side by '-5'.
C = 5

Simplifying
C = 5

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