Subtracting -9 from any number is the same as
<u></u>
<u>A</u>
<u>subtracting 9 from that number.</u>
We are told that 21% of the total cans is 63 cans, therefore
100% of all the cans collected would be.
(63*100)/21=300 cans were collected in all
<span>2y-x=11</span>
<span>-x=11-2y
</span><span>x=-11+2y
</span><span><span>x=2y-11</span><span>
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39/10 I’m not sure! Use the app called photo math