Answer:
x= 12 y= -3
Step-by-step explanation:
Rearrange.
x+y=9
x-y=15
Get x by itself, cancel out the y's and you'll get this:
2x=24
x= 12
Plug it in.
12+y=9
Get y.
y= -3
Check your work. I hope this helped.
-80 is the answer your welcome
There are 6 less boys then girls
there are 6 more girls then boys
there are 15 boys compared to 21 girls
180-15=165
15x=165
165/15
x=11
