8r+8=4(r+5)

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Solution for 8r+8=4(r+5) equation:


Simplifying
8r + 8 = 4(r + 5)

Reorder the terms:
8 + 8r = 4(r + 5)

Reorder the terms:
8 + 8r = 4(5 + r)
8 + 8r = (5 * 4 + r * 4)
8 + 8r = (20 + 4r)

Solving
8 + 8r = 20 + 4r

Solving for variable 'r'.

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

Add '-4r' to each side of the equation.
8 + 8r + -4r = 20 + 4r + -4r

Combine like terms: 8r + -4r = 4r
8 + 4r = 20 + 4r + -4r

Combine like terms: 4r + -4r = 0
8 + 4r = 20 + 0
8 + 4r = 20

Add '-8' to each side of the equation.
8 + -8 + 4r = 20 + -8

Combine like terms: 8 + -8 = 0
0 + 4r = 20 + -8
4r = 20 + -8

Combine like terms: 20 + -8 = 12
4r = 12

Divide each side by '4'.
r = 3

Simplifying
r = 3

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