<span>20-9x=11
-9x=11-20
-9x= -9
x= -9/(-9)
x=1
4(2x+1)=8
2x+1=8/4
2x+1=2
2x=2-1
2x=1
x=1/2
x=0.5
5(2x+5)=-15
2x+5= -15/5
2x+5= -3
2x= -3-5
2x= -8
x= -8/2
x=-4
3(8x+1)=-21
8x+1= -21/3
8x+1= -7
8x= -7-1
8x =-8
x= -8/8
x= -1
</span>
Answer:
definitely 4
Step-by-step explanation:
15/3 is 5 if u add 4 packets then I should he 20
Y=0.6x+5 is the slope of a line parallel to the line -3x+5y=-10
Answer:

Step-by-step explanation:

I am joyous to assist you anytime.