5(c+9)=-(21+c)

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Solution for 5(c+9)=-(21+c) equation:


Simplifying
5(c + 9) = -1(21 + c)

Reorder the terms:
5(9 + c) = -1(21 + c)
(9 * 5 + c * 5) = -1(21 + c)
(45 + 5c) = -1(21 + c)
45 + 5c = (21 * -1 + c * -1)
45 + 5c = (-21 + -1c)

Solving
45 + 5c = -21 + -1c

Solving for variable 'c'.

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

Add 'c' to each side of the equation.
45 + 5c + c = -21 + -1c + c

Combine like terms: 5c + c = 6c
45 + 6c = -21 + -1c + c

Combine like terms: -1c + c = 0
45 + 6c = -21 + 0
45 + 6c = -21

Add '-45' to each side of the equation.
45 + -45 + 6c = -21 + -45

Combine like terms: 45 + -45 = 0
0 + 6c = -21 + -45
6c = -21 + -45

Combine like terms: -21 + -45 = -66
6c = -66

Divide each side by '6'.
c = -11

Simplifying
c = -11

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