I’m not 100% sure but I think the answer to this would be 21x - 9.
Answer:
5.x=-2,y=-2
7. y=1 , x=-1
Step-by-step explanation:
5. x+y=-4 equation 1
x-y=2 equation 2
x=-2
Equation 1, x=-2
-2+y=-4
y=-2
7.
-3x-4y=-1 equation 1
3x-y=-4 equation 2
-5y=-5
y=1
Equation-1 ,y=1
-3x-4=-1
-3x=3
x=-1
Answer:
18 Inches total of rope
Step-by-step explanation:
9+9=18
or
9 x 2 = 18
Sorry this took a while but it should be the last option for it to be correct.