-5(8-4r)=-200

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Solution for -5(8-4r)=-200 equation: 


Simplifying
-5(8 + -4r) = -200
(8 * -5 + -4r * -5) = -200
(-40 + 20r) = -200

Solving
-40 + 20r = -200

Solving for variable 'r'.

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

Add '40' to each side of the equation.
-40 + 40 + 20r = -200 + 40

Combine like terms: -40 + 40 = 0
0 + 20r = -200 + 40
20r = -200 + 40

Combine like terms: -200 + 40 = -160
20r = -160

Divide each side by '20'.
r = -8

Simplifying
r = -8

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