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r=67+6.21(188)+12.3(66)-6.2(25)
We simplify the equation to the form, which is simple to understand
r=67+6.21(188)+12.3(66)-6.2(25)
Reorder the terms in parentheses
r=67+(+1167.48)+12.3*(66)-6.2*(25)
Remove unnecessary parentheses
+r=+67+1167.48+12.3+*(+66+)-6.2+*(+25+)
Reorder the terms in parentheses
r=67+1167.48+(+811.8)-6.2*(25)
Remove unnecessary parentheses
+r=+67+1167.48+811.8-6.2+*(+25+)
Reorder the terms in parentheses
r=67+1167.48+811.8+(-155)
Remove unnecessary parentheses
+r=+67+1167.48+811.8-155
We move all terms containing r to the left and all other terms to the right.
+1r=+67+1167.48+811.8-155
We simplify left and right side of the equation.
+1r=+1891.28
We divide both sides of the equation by 1 to get r.
r=1891.28
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