9+2r=1b

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Solution for 9+2r=1b equation: 


Simplifying
9 + 2r = 1b

Solving
9 + 2r = 1b

Solving for variable 'r'.

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

Add '-9' to each side of the equation.
9 + -9 + 2r = -9 + 1b

Combine like terms: 9 + -9 = 0
0 + 2r = -9 + 1b
2r = -9 + 1b

Divide each side by '2'.
r = -4.5 + 0.5b

Simplifying
r = -4.5 + 0.5b

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