-20+8r=4(r+1)

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Solution for -20+8r=4(r+1) equation:


Simplifying
-20 + 8r = 4(r + 1)

Reorder the terms:
-20 + 8r = 4(1 + r)
-20 + 8r = (1 * 4 + r * 4)
-20 + 8r = (4 + 4r)

Solving
-20 + 8r = 4 + 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.
-20 + 8r + -4r = 4 + 4r + -4r

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

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

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

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

Combine like terms: 4 + 20 = 24
4r = 24

Divide each side by '4'.
r = 6

Simplifying
r = 6

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