Answer:
x=9
Step-by-step explanation:
Using elimination method.
Add equation 1 to equation 2
x + y = 11
x - y = 7
---------------
2x + 0 = 18
Divide both sides by 2
2x = 18
---- ----
2 2
x = 9
If you have a ratio like 1 yard for 3 feet you can graph that to get a better understanding of size
Answer:
0 and above
Step-by-step explanation:
it can go onto infinity put 0 or Amy positive number and you got it
It is a function, so yes ig
Step-by-step explanation:
let the numbers x and y
so x + y =13
x - y = 5
add two equations together
2x = 18
divide both side by 2
x = 9
sub in any equation
9 + y =13
y = 4
the numbers are 9 and 4
