0.3(5+2r)=9

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Solution for 0.3(5+2r)=9 equation: 


Simplifying
0.3(5 + 2r) = 9
(5 * 0.3 + 2r * 0.3) = 9
(1.5 + 0.6r) = 9

Solving
1.5 + 0.6r = 9

Solving for variable 'r'.

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

Add '-1.5' to each side of the equation.
1.5 + -1.5 + 0.6r = 9 + -1.5

Combine like terms: 1.5 + -1.5 = 0.0
0.0 + 0.6r = 9 + -1.5
0.6r = 9 + -1.5

Combine like terms: 9 + -1.5 = 7.5
0.6r = 7.5

Divide each side by '0.6'.
r = 12.5

Simplifying
r = 12.5

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