-5(4+r)=25

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Solution for -5(4+r)=25 equation: 


Simplifying
-5(4 + r) = 25
(4 * -5 + r * -5) = 25
(-20 + -5r) = 25

Solving
-20 + -5r = 25

Solving for variable 'r'.

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

Add '20' to each side of the equation.
-20 + 20 + -5r = 25 + 20

Combine like terms: -20 + 20 = 0
0 + -5r = 25 + 20
-5r = 25 + 20

Combine like terms: 25 + 20 = 45
-5r = 45

Divide each side by '-5'.
r = -9

Simplifying
r = -9

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