7. LX -(3z +4z) - (6z - 2)

LX - 13z - 2

Step-by-step explanation:

(3z + 4z)= 7z

LX - 7z - (6z - 2)

LX + -7z + -6z + -2

LX + -13z + -2

= LX - 13z - 2

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:

the answer to your question is minor arc.