Answer:
8. x=-5 and y=7
9. x=-2 and y=0
10. x=-6 and y=-10
11. x=8 and y=-4
12. x=9 and y=-9
13.x=4 and y=10
14. x=5 and y=-7
Step-by-step explanation:
Answer:
Answer is 1/2
Step-by-step explanation:
Answer:
x=35.5
Step-by-step explanation:
reduce numbers
remove parentheses
add the numbers
move constant to the right
subtract numbers
Answer:
Container 1 hold 600 
Step-by-step explanation:
12x5x10=600