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19r(197)+r(43)=0
We simplify the equation to the form, which is simple to understand
19r(197)+r(43)=0
Reorder the terms in parentheses
+(+3743r)+r*(43)=0
Remove unnecessary parentheses
+3743r+r+*(+43+)=0
Reorder the terms in parentheses
+3743r+(+43r)=0
Remove unnecessary parentheses
+3743r+43r=0
We move all terms containing r to the left and all other terms to the right.
+3743r+43r=0
We simplify left and right side of the equation.
+3786r=0
We divide both sides of the equation by 3786 to get r.
r=0
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