Anneliese sent 9 emails on monday, 13 emails on wednesday, 15 emails on thursday, and 17 emails on friday. based on the trend, how many emails did anneliese send on tuesday?

linear

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: