-60=-15(r-8)

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Solution for -60=-15(r-8) equation:


Simplifying
-60 = -15(r + -8)

Reorder the terms:
-60 = -15(-8 + r)
-60 = (-8 * -15 + r * -15)
-60 = (120 + -15r)

Solving
-60 = 120 + -15r

Solving for variable 'r'.

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

Add '15r' to each side of the equation.
-60 + 15r = 120 + -15r + 15r

Combine like terms: -15r + 15r = 0
-60 + 15r = 120 + 0
-60 + 15r = 120

Add '60' to each side of the equation.
-60 + 60 + 15r = 120 + 60

Combine like terms: -60 + 60 = 0
0 + 15r = 120 + 60
15r = 120 + 60

Combine like terms: 120 + 60 = 180
15r = 180

Divide each side by '15'.
r = 12

Simplifying
r = 12

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