This one is easy.
<span>–8.6 = –4.1 + x
</span>
So, what you have to do is add 4.1 on both sides.
You do this because you want to get X alone. when you do,
-8.6+4.1=-4.5
X=-4.5
The answer is B
Answer:66
Step-by-step explanation:
Answer:
7 cm
Step-by-step explanation:
Here is how I solve these problems:
Halve of 6 is 3
10 minus 3 is 7
you subtract 3 from 10 because when you collapse the side (10) onto that side other side (let us call it x), x is shorter that 10 by halve the height.

is the same as

. The 4s will cancel leaving you with

or

, your 3rd option.
Answer:
y=14x
Step-by-step explanation:
there are no extra things to add in proportional relationships like +1 or +7