21=-5c-6c

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Solution for 21=-5c-6c equation:


Simplifying
21 = -5c + -6c

Combine like terms: -5c + -6c = -11c
21 = -11c

Solving
21 = -11c

Solving for variable 'c'.

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

Add '11c' to each side of the equation.
21 + 11c = -11c + 11c

Combine like terms: -11c + 11c = 0
21 + 11c = 0

Add '-21' to each side of the equation.
21 + -21 + 11c = 0 + -21

Combine like terms: 21 + -21 = 0
0 + 11c = 0 + -21
11c = 0 + -21

Combine like terms: 0 + -21 = -21
11c = -21

Divide each side by '11'.
c = -1.909090909

Simplifying
c = -1.909090909

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