Math

Solve for both systems x+7z=52 and x + z = 22

Asked by AnneS2 on 03 Sep 07:10

Last updated by anonymous on 05 Sep 00:03

1 Answers

Log in to answer

Answered by CherieS on 05 Sep 00:03

x+7z=52

x+7z-7z=52 -7z

x=52 -7z

x + z = 22

52 -7z + z = 22

52 -6z= 22

52 -6z-52= 22-52

-6z=-30

-6z/-6=-30/-6

z=5

x=52 -7z

x=52 -7(5)

x=52 -35=17