9r=20+r

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Solution for 9r=20+r equation:


Simplifying
9r = 20 + r

Solving
9r = 20 + r

Solving for variable 'r'.

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

Add '-1r' to each side of the equation.
9r + -1r = 20 + r + -1r

Combine like terms: 9r + -1r = 8r
8r = 20 + r + -1r

Combine like terms: r + -1r = 0
8r = 20 + 0
8r = 20

Divide each side by '8'.
r = 2.5

Simplifying
r = 2.5

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