Marcie L.

asked • 09/15/15

how do I add grouping symbols to 15/3+2-1+1 so that it equals 1?

 How do I add grouping symbols to 15/3+2-1+1 so that it is equal to 1??

Dongtianyi Z.

let a number =x
15/3+2-1+1+x=1
15/3+2+(-1+1)+x=1
5+2+x=1
7+x=1
x=1-7
x=-6
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09/15/15

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