Rocio leaves point a traveling due east at 40 miles per hour. at the same moment, li leaves point a traveling due west at 50 miles per hour. after how many hours will they be 405 miles apart? )

fa tha first one you gonna add y to both sides

it look like this

x-y+y=6+y

x=y+6

therefore your answer is

x =y+6

fa tha second one

you gonna flip tha equation

it gonna look like x-4y=y

then add 4 to both sides

it gonna look like tha

x-4 +4 =y +4

so therefore tha answer is x=y+4

step-by-step explanation: