-5(1+r)=20

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Solution for -5(1+r)=20 equation: 


Simplifying
-5(1 + r) = 20
(1 * -5 + r * -5) = 20
(-5 + -5r) = 20

Solving
-5 + -5r = 20

Solving for variable 'r'.

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

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

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

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

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

Simplifying
r = -5

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