-5(5-5r)=150

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Solution for -5(5-5r)=150 equation: 


Simplifying
-5(5 + -5r) = 150
(5 * -5 + -5r * -5) = 150
(-25 + 25r) = 150

Solving
-25 + 25r = 150

Solving for variable 'r'.

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

Add '25' to each side of the equation.
-25 + 25 + 25r = 150 + 25

Combine like terms: -25 + 25 = 0
0 + 25r = 150 + 25
25r = 150 + 25

Combine like terms: 150 + 25 = 175
25r = 175

Divide each side by '25'.
r = 7

Simplifying
r = 7

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