18=-6+8(c-9)

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Solution for 18=-6+8(c-9) equation: 


Simplifying
18 = -6 + 8(c + -9)

Reorder the terms:
18 = -6 + 8(-9 + c)
18 = -6 + (-9 * 8 + c * 8)
18 = -6 + (-72 + 8c)

Combine like terms: -6 + -72 = -78
18 = -78 + 8c

Solving
18 = -78 + 8c

Solving for variable 'c'.

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

Add '-8c' to each side of the equation.
18 + -8c = -78 + 8c + -8c

Combine like terms: 8c + -8c = 0
18 + -8c = -78 + 0
18 + -8c = -78

Add '-18' to each side of the equation.
18 + -18 + -8c = -78 + -18

Combine like terms: 18 + -18 = 0
0 + -8c = -78 + -18
-8c = -78 + -18

Combine like terms: -78 + -18 = -96
-8c = -96

Divide each side by '-8'.
c = 12

Simplifying
c = 12

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