2(5r-9)=

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Solution for 2(5r-9)= equation: 


Simplifying
2(5r + -9) = 0

Reorder the terms:
2(-9 + 5r) = 0
(-9 * 2 + 5r * 2) = 0
(-18 + 10r) = 0

Solving
-18 + 10r = 0

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 + 10r = 0 + 18

Combine like terms: -18 + 18 = 0
0 + 10r = 0 + 18
10r = 0 + 18

Combine like terms: 0 + 18 = 18
10r = 18

Divide each side by '10'.
r = 1.8

Simplifying
r = 1.8

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