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5(r-1)=2-4
We simplify the equation to the form, which is simple to understand
5(r-1)=2-4
Reorder the terms in parentheses
+(+5r-5)=2-4
Remove unnecessary parentheses
+5r-5=+2-4
We move all terms containing r to the left and all other terms to the right.
+5r=+2-4+5
We simplify left and right side of the equation.
+5r=+3
We divide both sides of the equation by 5 to get r.
r=0.6
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