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1(16r)=12(-3-r)
We simplify the equation to the form, which is simple to understand
1(16r)=12(-3-r)
Reorder the terms in parentheses
+(+16r)=12*(-3-r)
Remove unnecessary parentheses
+16r=+12+*(-3-r+)
Reorder the terms in parentheses
+16r=+(-36-12r)
Remove unnecessary parentheses
+16r=-36-12r
We move all terms containing r to the left and all other terms to the right.
+16r+12r=-36
We simplify left and right side of the equation.
+28r=-36
We divide both sides of the equation by 28 to get r.
r=-1.28571428571
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