22west:

Add the two expressions. 3z−4 and 2z + 5

6 months ago
22west:

@dude

6 months ago
dude:

We have to combine like terms 3z-4+2z+5

6 months ago
22west:

3z and 2z 4 and 5

6 months ago
dude:

|dw:1516654969285:dw|

6 months ago
22west:

ok first of all the circles and lines look like sperm cells

6 months ago
dude:

Lmao thanks

6 months ago
22west:

just sayin

6 months ago
22west:

pun intended

6 months ago
dude:

Lmao, back to the question, combine the terms When adding, remember to take the sign of the bigger number

6 months ago
22west:

umm

6 months ago
dude:

-4+5 3z+2z

6 months ago
22west:

6 months ago
dude:

No, I am showing you what to add

6 months ago
22west:

oh ok

6 months ago
22west:

-4 + 5z?

6 months ago
dude:

What is -4+5?

6 months ago
dude:

Or 5-4

6 months ago
22west:

1

6 months ago
dude:

Yes, so it is 1+5z

6 months ago
22west:

Add the two expressions. m + 6 and 4m + 2

6 months ago
dude:

6 months ago
22west:

4m + m 8

6 months ago
dude:

m is just 1m So 4m +1m

6 months ago
22west:

oh

6 months ago
22west:

5m

6 months ago
dude:

Yes so it is 5m+8

6 months ago
22west:

Add the two expressions. −2.4n−3 and −7.8n+2

6 months ago
dude:

-2.4n+-7.8n= -3+2=

6 months ago
22west:

-3+2=-1 -2.4+(-7.8)

6 months ago
22west:

=10.2

6 months ago
dude:

Keep the sign!

6 months ago
22west:

-

6 months ago
dude:

-10.2n-1

6 months ago
22west:

6 months ago
dude:

Yes

6 months ago
22west:

Subtract m + 8 ​​from​ 5m + 11.

6 months ago
dude:

$$(5m+11)-(m+8)$$ Distribute the -1 into the second set of parenthesis

6 months ago
22west:

(5m+11)-(1m+8)

6 months ago
22west: