5(5r-8)=20+5r

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Solution for 5(5r-8)=20+5r equation:


Simplifying
5(5r + -8) = 20 + 5r

Reorder the terms:
5(-8 + 5r) = 20 + 5r
(-8 * 5 + 5r * 5) = 20 + 5r
(-40 + 25r) = 20 + 5r

Solving
-40 + 25r = 20 + 5r

Solving for variable 'r'.

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

Add '-5r' to each side of the equation.
-40 + 25r + -5r = 20 + 5r + -5r

Combine like terms: 25r + -5r = 20r
-40 + 20r = 20 + 5r + -5r

Combine like terms: 5r + -5r = 0
-40 + 20r = 20 + 0
-40 + 20r = 20

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

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

Combine like terms: 20 + 40 = 60
20r = 60

Divide each side by '20'.
r = 3

Simplifying
r = 3

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