2/3 of a pizza was left over. a group of friends divided the leftover pizza into pieces each equal to 1/18 of the original pizza. after each friend took one piece, 1/6 of the leftover pizza remained. how many friends were in the group?

the answer is c. 23/3

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: