Step-by-step explanation:
1) -5n+10n
= 5n
2) -x-9+2x-10
= 2x-x-9-10
= x-19
3) -5(x-10)-x
= -5x+50-x
= -6x+50
4) 9-5(1-7x)
= 9-5+35x
= 35x+4
5) y^2-x
= 3^2-2
= 9-2
= 7
Do the remain questions by yourself, you can do it!
This is a question that is not awnsable so your teachers need to get smarter
Answer:
m=-24
Step-by-step explanation:
Subtract 12 on both sides
m + 12 - 12 = -12 - 12
m = -24
7*63
(7*60)+(7*3) HOPE THIS HELPED
Answer:
16 feet tall
Step-by-step explanation:
Multiply 4 by 4
