-3(c+5)=-21

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Solution for -3(c+5)=-21 equation:


Simplifying
-3(c + 5) = -21

Reorder the terms:
-3(5 + c) = -21
(5 * -3 + c * -3) = -21
(-15 + -3c) = -21

Solving
-15 + -3c = -21

Solving for variable 'c'.

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

Add '15' to each side of the equation.
-15 + 15 + -3c = -21 + 15

Combine like terms: -15 + 15 = 0
0 + -3c = -21 + 15
-3c = -21 + 15

Combine like terms: -21 + 15 = -6
-3c = -6

Divide each side by '-3'.
c = 2

Simplifying
c = 2

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