15=-9+8(c-5)

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Solution for 15=-9+8(c-5) equation:


Simplifying
15 = -9 + 8(c + -5)

Reorder the terms:
15 = -9 + 8(-5 + c)
15 = -9 + (-5 * 8 + c * 8)
15 = -9 + (-40 + 8c)

Combine like terms: -9 + -40 = -49
15 = -49 + 8c

Solving
15 = -49 + 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.
15 + -8c = -49 + 8c + -8c

Combine like terms: 8c + -8c = 0
15 + -8c = -49 + 0
15 + -8c = -49

Add '-15' to each side of the equation.
15 + -15 + -8c = -49 + -15

Combine like terms: 15 + -15 = 0
0 + -8c = -49 + -15
-8c = -49 + -15

Combine like terms: -49 + -15 = -64
-8c = -64

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

Simplifying
c = 8

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