-5x+4y-7x-9y
-12x-5y
12x+5y=I
2.1234492726349426935739 or any number with a really long decimal which cannot be turnt into a simple fraction
That means there are 24 chairs. What you would do is multiply 8 by 3 which gives you 24.
see attached picture of how graph should look.
search through word for a graph icon, you should be able to do this in Word.
-23
2x+2y/2w+3z
2(-5)+2(8)/2(-2)+3(-3)
-10+16/-4-9
-14-9
-23