15=8-5(c+7)

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Solution for 15=8-5(c+7) equation:


Simplifying
15 = 8 + -5(c + 7)

Reorder the terms:
15 = 8 + -5(7 + c)
15 = 8 + (7 * -5 + c * -5)
15 = 8 + (-35 + -5c)

Combine like terms: 8 + -35 = -27
15 = -27 + -5c

Solving
15 = -27 + -5c

Solving for variable 'c'.

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

Add '5c' to each side of the equation.
15 + 5c = -27 + -5c + 5c

Combine like terms: -5c + 5c = 0
15 + 5c = -27 + 0
15 + 5c = -27

Add '-15' to each side of the equation.
15 + -15 + 5c = -27 + -15

Combine like terms: 15 + -15 = 0
0 + 5c = -27 + -15
5c = -27 + -15

Combine like terms: -27 + -15 = -42
5c = -42

Divide each side by '5'.
c = -8.4

Simplifying
c = -8.4

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