3(c+7)-c=

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


Simplifying
3(c + 7) + -1c = 0

Reorder the terms:
3(7 + c) + -1c = 0
(7 * 3 + c * 3) + -1c = 0
(21 + 3c) + -1c = 0

Combine like terms: 3c + -1c = 2c
21 + 2c = 0

Solving
21 + 2c = 0

Solving for variable 'c'.

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

Add '-21' to each side of the equation.
21 + -21 + 2c = 0 + -21

Combine like terms: 21 + -21 = 0
0 + 2c = 0 + -21
2c = 0 + -21

Combine like terms: 0 + -21 = -21
2c = -21

Divide each side by '2'.
c = -10.5

Simplifying
c = -10.5

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