-12=-9c-(15c-18)

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Solution for -12=-9c-(15c-18) equation:


Simplifying
-12 = -9c + -1(15c + -18)

Reorder the terms:
-12 = -9c + -1(-18 + 15c)
-12 = -9c + (-18 * -1 + 15c * -1)
-12 = -9c + (18 + -15c)

Reorder the terms:
-12 = 18 + -9c + -15c

Combine like terms: -9c + -15c = -24c
-12 = 18 + -24c

Solving
-12 = 18 + -24c

Solving for variable 'c'.

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

Add '24c' to each side of the equation.
-12 + 24c = 18 + -24c + 24c

Combine like terms: -24c + 24c = 0
-12 + 24c = 18 + 0
-12 + 24c = 18

Add '12' to each side of the equation.
-12 + 12 + 24c = 18 + 12

Combine like terms: -12 + 12 = 0
0 + 24c = 18 + 12
24c = 18 + 12

Combine like terms: 18 + 12 = 30
24c = 30

Divide each side by '24'.
c = 1.25

Simplifying
c = 1.25

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