8r+1r=-18

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Solution for 8r+1r=-18 equation: 


Simplifying
8r + 1r = -18

Combine like terms: 8r + 1r = 9r
9r = -18

Solving
9r = -18

Solving for variable 'r'.

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

Divide each side by '9'.
r = -2

Simplifying
r = -2

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