34.0k views
4 votes
Solve for x.

y=7x−7z−9

User Danka
by
4.2k points

1 Answer

1 vote

Answer:


x=(y+7z+9)/(7)

Explanation:


7x-7z-9=y


7x-7z-9+7z=y+7z


7x-9=y+7z


7x-9+9=y+7z+9


7x=y+7z+9


(7x)/(7)=(y)/(7)+(7z)/(7)+(9)/(7)


x=(y+7z+9)/(7)

User DoubleOrt
by
4.1k points