Answer:
6.4
Step-by-step explanation:
add all numbers together then divide by 5
Answer:
x= -2 y= -1
Step-by-step explanation:
stack the 2 equations on top of each other and add them together
the 2x and -2x cancel out and you are left with -9y=9
this gives you y= -1
you plug the y value into one of the equations:
2x - (-1) = -3
2x+1 = -3
2x= -4
x= -2
20 is the gcf ofn40 and 60
4.5 to 6.5 i think not really shure
