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

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


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

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

Reorder the terms:
20 + 5r = 8(8 + 3r)
20 + 5r = (8 * 8 + 3r * 8)
20 + 5r = (64 + 24r)

Solving
20 + 5r = 64 + 24r

Solving for variable 'r'.

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

Add '-24r' to each side of the equation.
20 + 5r + -24r = 64 + 24r + -24r

Combine like terms: 5r + -24r = -19r
20 + -19r = 64 + 24r + -24r

Combine like terms: 24r + -24r = 0
20 + -19r = 64 + 0
20 + -19r = 64

Add '-20' to each side of the equation.
20 + -20 + -19r = 64 + -20

Combine like terms: 20 + -20 = 0
0 + -19r = 64 + -20
-19r = 64 + -20

Combine like terms: 64 + -20 = 44
-19r = 44

Divide each side by '-19'.
r = -2.315789474

Simplifying
r = -2.315789474

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