10(r+12)=170

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Solution for 10(r+12)=170 equation: 


Simplifying
10(r + 12) = 170

Reorder the terms:
10(12 + r) = 170
(12 * 10 + r * 10) = 170
(120 + 10r) = 170

Solving
120 + 10r = 170

Solving for variable 'r'.

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

Add '-120' to each side of the equation.
120 + -120 + 10r = 170 + -120

Combine like terms: 120 + -120 = 0
0 + 10r = 170 + -120
10r = 170 + -120

Combine like terms: 170 + -120 = 50
10r = 50

Divide each side by '10'.
r = 5

Simplifying
r = 5

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