You purchase 20 lottery tickets, for which the probability of winning some prize on a single ticket is 1 in 20. What is the probability that you will have at lease one winning
ticket among the 20 tickets?

what is the question here

step-by-step explanation:

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:

36

step-by-step explanation: