2(r+10)=130

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Solution for 2(r+10)=130 equation:


Simplifying
2(r + 10) = 130

Reorder the terms:
2(10 + r) = 130
(10 * 2 + r * 2) = 130
(20 + 2r) = 130

Solving
20 + 2r = 130

Solving for variable 'r'.

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

Add '-20' to each side of the equation.
20 + -20 + 2r = 130 + -20

Combine like terms: 20 + -20 = 0
0 + 2r = 130 + -20
2r = 130 + -20

Combine like terms: 130 + -20 = 110
2r = 110

Divide each side by '2'.
r = 55

Simplifying
r = 55

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