Mathematics
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22west:
Add the two expressions.
3z−4 and 2z + 5
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22west:
@dude
dude:
We have to combine like terms
3z-4+2z+5
22west:
3z and 2z
4 and 5
dude:
|dw:1516654969285:dw|
22west:
ok first of all the circles and lines look like sperm cells
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dude:
Lmao thanks
22west:
just sayin
22west:
pun intended
dude:
Lmao, back to the question, combine the terms
When adding, remember to take the sign of the bigger number
22west:
umm
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dude:
-4+5
3z+2z
22west:
is that the answer
dude:
No, I am showing you what to add
22west:
oh ok
22west:
-4 + 5z?
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dude:
What is -4+5?
dude:
Or 5-4
22west:
1
dude:
Yes, so it is 1+5z
22west:
Add the two expressions.
m + 6 and 4m + 2
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dude:
add 4m and m
add 6 and 2
22west:
4m + m
8
dude:
m is just 1m
So 4m +1m
22west:
oh
22west:
5m
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dude:
Yes so it is
5m+8
22west:
Add the two expressions.
−2.4n−3 and −7.8n+2
dude:
-2.4n+-7.8n=
-3+2=
22west:
-3+2=-1
-2.4+(-7.8)
22west:
=10.2
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dude:
Keep the sign!
22west:
-
dude:
-10.2n-1
22west:
that is the answer?
dude:
Yes
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22west:
Subtract m + 8 from 5m + 11.
dude:
\((5m+11)-(m+8)\)
Distribute the -1 into the second set of parenthesis
22west:
(5m+11)-(1m+8)
22west:
thats the answer?
dude:
No, you have to distribute -1 into (m+8)