(x+y=31)2
2x-y=11
2x+2y=62
- 2x -y=11
3y=51
y=17
x+17=31
x=14
y-x=3
Answer:
System A the answer is: One solution
System B the answer is: Many infinite solution
System C the answer is: No solution
Step-by-step explanation:
Hope this helps you :)
Answer:
I think it's 19/4 because I looked it up and that's what it said
Answer:

Step-by-step explanation:
1. 10xy · 4xy^3 = 
2. 10xy · -7xy = 
3. 10xy · 9y^2 =
Final step: add up all of those values together to make an equation!
Answer:

Final Answer: 
8x4=32
32+40=72
72/2=36
36+6=42
The number is 42