-120=-10r-10

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Solution for -120=-10r-10 equation:


Simplifying
-120 = -10r + -10

Reorder the terms:
-120 = -10 + -10r

Solving
-120 = -10 + -10r

Solving for variable 'r'.

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

Add '10r' to each side of the equation.
-120 + 10r = -10 + -10r + 10r

Combine like terms: -10r + 10r = 0
-120 + 10r = -10 + 0
-120 + 10r = -10

Add '120' to each side of the equation.
-120 + 120 + 10r = -10 + 120

Combine like terms: -120 + 120 = 0
0 + 10r = -10 + 120
10r = -10 + 120

Combine like terms: -10 + 120 = 110
10r = 110

Divide each side by '10'.
r = 11

Simplifying
r = 11

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