NEED HELP! WILL GIVE BRAINLIEST! <3

1)

2)

3)

4)

Step-by-step explanation:

Probability =

gray marbles = 5

white marbles = 3

black marbles = 2

total number of marbles = 10

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:

1/3 + 1/5 = 8/15.

step-by-step explanation:

hope it