9c+2(10-6c)=-15

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Solution for 9c+2(10-6c)=-15 equation:


Simplifying
9c + 2(10 + -6c) = -15
9c + (10 * 2 + -6c * 2) = -15
9c + (20 + -12c) = -15

Reorder the terms:
20 + 9c + -12c = -15

Combine like terms: 9c + -12c = -3c
20 + -3c = -15

Solving
20 + -3c = -15

Solving for variable 'c'.

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

Add '-20' to each side of the equation.
20 + -20 + -3c = -15 + -20

Combine like terms: 20 + -20 = 0
0 + -3c = -15 + -20
-3c = -15 + -20

Combine like terms: -15 + -20 = -35
-3c = -35

Divide each side by '-3'.
c = 11.66666667

Simplifying
c = 11.66666667

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