zachzach28280
30.01.2020 •
Mathematics
Need with the subtracting and adding, steps included !
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Ответ:
1: w+4=16
You know that you need to find what w is equal to, so you need to get it on its own. To do that, you have to get rid of the four, so subtract 4 from each side.
w+4-4= 16-4
w=12
2. x+7= -12
This one is a little trickier, because the 12 is a negative. You still need to get x on its own, so subtract 7 from each side.
x+7-7= -12-7
-12-7= -19
so: x= -19
5. -2= y-9
This one is like the others, except it is subtracting instead of adding. If it helps, we will switch the problem around to make it easier to work with:
y-9= -2
First, you have to get y on its own, so to get rid of the 9, you have to add 9 to each side.
y-9+9= -2+9
Now we have:
y= 7
If you still need help with the rest of the questions, let me know and I'll talk you through the rest of them. Hope I can be of assistance;)
Ответ:
Step-by-step explanation:
m= 3/2
a= 5/6
c=7/5 or 1 2/5
b=1/2
o=11/12
r=25/36
g=23/44
s=21/40
n=17/45
i=21/16
h=1/10
e=1
f=23/30
t=29/35
u=2/21
k=31/30
v=4/9
done. Please mark Brainiest. Thanks.