Answer:
I so smart
Step-by-step explanation:
Soryy
Answer:
yes
Step-by-step explanation:
Answer:
just do what I have done
Step-by-step explanation:
it is very simple and if you still don't understand you should ask a tutour
200,000,000 + 40,000,000 + 9,000,000 + 100,000 + 4,000 + 300 + 30
Answer:
x=10,y=5,z=2
Step-by-step explanation:
x+15=2x+5
x=10
4y=8y-20
4y=20
y=5
10z-5=3z+9
7z=14
z=2