First move the (Y) to the other side of the equal sign,

Then subtract add (15) on both sides

Since a variable can't be negative just divide by (-1) on both sides,

The answer would be,

Hope this helped
:D
It went 6.3 feet every other swing cause 70% of 9 is 6.3
Twenty million four hundred eighty four thousand one hundred sixty three
Answer:
d
Step-by-step explanation: