4(9-5r)=0

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Solution for 4(9-5r)=0 equation:


Simplifying
4(9 + -5r) = 0
(9 * 4 + -5r * 4) = 0
(36 + -20r) = 0

Solving
36 + -20r = 0

Solving for variable 'r'.

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

Add '-36' to each side of the equation.
36 + -36 + -20r = 0 + -36

Combine like terms: 36 + -36 = 0
0 + -20r = 0 + -36
-20r = 0 + -36

Combine like terms: 0 + -36 = -36
-20r = -36

Divide each side by '-20'.
r = 1.8

Simplifying
r = 1.8

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