2(R+9)=25

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Solution for 2(R+9)=25 equation: 


Simplifying
2(R + 9) = 25

Reorder the terms:
2(9 + R) = 25
(9 * 2 + R * 2) = 25
(18 + 2R) = 25

Solving
18 + 2R = 25

Solving for variable 'R'.

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

Add '-18' to each side of the equation.
18 + -18 + 2R = 25 + -18

Combine like terms: 18 + -18 = 0
0 + 2R = 25 + -18
2R = 25 + -18

Combine like terms: 25 + -18 = 7
2R = 7

Divide each side by '2'.
R = 3.5

Simplifying
R = 3.5

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