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1-3r-8=22
We simplify the equation to the form, which is simple to understand
1-3r-8=22
We move all terms containing r to the left and all other terms to the right.
-3r=+22-1+8
We simplify left and right side of the equation.
-3r=+29
We divide both sides of the equation by -3 to get r.
r=-9.66666666667
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