This is hard to write... I hope this makes sense to you...
3x-2y=-39
x+3y= 31
We want to use elimination therefor, we need to either get our x or our y to add together to get zero.
To do this, we will multiply -3 to (x=3y=31)
NEW EQUATION
3x-2y=-39 PLUS
-3x-9y= -93 Equals
Answer: -11y= -54
y= 4.9
Plug in to solve for x (put new y in)
3x-2(4.9)=-39
x= -9.73
I know what is the answer to this problem, I believe, if you cannot do it on your own check out www.answers.yahoo.com or private message me so I can explain
Answer:
7 1/8
4 + 7/8 + 2 + 1/4
4+2=6
7/8 + 1/4=9/8 and 9/8 is equal to 1 1/8
6+1+1/8= 7 1/8
Answer:
16cm
Step-by-step explanation:
