10(10+r)=-60

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Solution for 10(10+r)=-60 equation: 


Simplifying
10(10 + r) = -60
(10 * 10 + r * 10) = -60
(100 + 10r) = -60

Solving
100 + 10r = -60

Solving for variable 'r'.

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

Add '-100' to each side of the equation.
100 + -100 + 10r = -60 + -100

Combine like terms: 100 + -100 = 0
0 + 10r = -60 + -100
10r = -60 + -100

Combine like terms: -60 + -100 = -160
10r = -160

Divide each side by '10'.
r = -16

Simplifying
r = -16

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