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21(39.1)=17(25)
We simplify the equation to the form, which is simple to understand
21(39.1)=17(25)
Reorder the terms in parentheses
+(+821.1)=17*(25)
Remove unnecessary parentheses
+821.1=+17+*(+25+)
Reorder the terms in parentheses
+821.1=+(+425)
Remove unnecessary parentheses
+821.1=+425
We move all terms containing to the left and all other terms to the right.
0=+425-821.1
We simplify left and right side of the equation.
0=-396.1
0=-396.1
The left and right sides are not equal, therefore there is no solution. This equation is invalid.
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