3c-(-7c)+18=4c

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Solution for 3c-(-7c)+18=4c equation:


Simplifying
3c + -1(-7c) + 18 = 4c

Remove parenthesis around (-7c)
3c + -1 * -7c + 18 = 4c

Multiply -1 * -7
3c + 7c + 18 = 4c

Reorder the terms:
18 + 3c + 7c = 4c

Combine like terms: 3c + 7c = 10c
18 + 10c = 4c

Solving
18 + 10c = 4c

Solving for variable 'c'.

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

Add '-4c' to each side of the equation.
18 + 10c + -4c = 4c + -4c

Combine like terms: 10c + -4c = 6c
18 + 6c = 4c + -4c

Combine like terms: 4c + -4c = 0
18 + 6c = 0

Add '-18' to each side of the equation.
18 + -18 + 6c = 0 + -18

Combine like terms: 18 + -18 = 0
0 + 6c = 0 + -18
6c = 0 + -18

Combine like terms: 0 + -18 = -18
6c = -18

Divide each side by '6'.
c = -3

Simplifying
c = -3

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