4(2-5r)=17

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Solution for 4(2-5r)=17 equation: 


Simplifying
4(2 + -5r) = 17
(2 * 4 + -5r * 4) = 17
(8 + -20r) = 17

Solving
8 + -20r = 17

Solving for variable 'r'.

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

Add '-8' to each side of the equation.
8 + -8 + -20r = 17 + -8

Combine like terms: 8 + -8 = 0
0 + -20r = 17 + -8
-20r = 17 + -8

Combine like terms: 17 + -8 = 9
-20r = 9

Divide each side by '-20'.
r = -0.45

Simplifying
r = -0.45

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