Answer:
x=6,y=0
Step-by-step explanation:
2x+y=12
3x-y=18
5x=30
x=6
6(3)-y=18
18-y=18
y=0
Answer:
c
Step-by-step explanation:
Answer: -2
Step-by-step explanation:
Answer:
1
Step-by-step explanation:
3+2-(6-(1+1)
3+2-(6-2)
3+2-4
1
The side of the square is (12x+52)/4=3x+13.