5r-20=5(-3r+8)

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Solution for 5r-20=5(-3r+8) equation:


Simplifying
5r + -20 = 5(-3r + 8)

Reorder the terms:
-20 + 5r = 5(-3r + 8)

Reorder the terms:
-20 + 5r = 5(8 + -3r)
-20 + 5r = (8 * 5 + -3r * 5)
-20 + 5r = (40 + -15r)

Solving
-20 + 5r = 40 + -15r

Solving for variable 'r'.

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

Add '15r' to each side of the equation.
-20 + 5r + 15r = 40 + -15r + 15r

Combine like terms: 5r + 15r = 20r
-20 + 20r = 40 + -15r + 15r

Combine like terms: -15r + 15r = 0
-20 + 20r = 40 + 0
-20 + 20r = 40

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

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

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

Divide each side by '20'.
r = 3

Simplifying
r = 3

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