Question

pls help me i am confused on what to do

Answer 1

Answer:

x=20

Step-by-step explanation:

you cross multiply then divide. so multiply 8 and 30. you get 240. then you multiply 12 and x. you get 12x. so your new equation is 240=12x so then u divide 240 by 12 and you get 20=z

Answer 2

Answer:

X=20

Step-by-step explanation:

You solve by cross multiplying.