Answer:
Step-by-step explanation:
3rd one
Answer:
No.
Step-by-step explanation:
Let's start by simplifying the first expression:

Remove the parentheses:

Combine like terms:

(Assuming that none of the variables are equivalent to 0)
Answer:
Step-by-step explanation:
Hello,
1km=1000m, right?
so 7km = 7 * 1000 m = 7000m
thanks
-5(x+7)<-10.
You need to use the distributive property.
-5x - 35 < -10.
You need to cancel out -35, so you add it to itself, & -10.
-5x < 25.
You need to divide -5 by itself & 25.
x>-5.
she should’ve written m-12 as m12