PreAlgebra
posted by Jman .
1. 3w – 10w
13w
–7w
–7
7w
2. y + 2y +3z
2y + 3z
3y + 3z
2y2 + 3z
6yz
3. 6r + r – 5r
2r
1r + r
0r
7r – 5r
4. 5x + 2(x + 6)
7x + 6
7x2 + 12
7x + 12
7x (x + 6)
5. –3m + 3(m + 6)
6
–6m + 6
6m + 18
18

PreAlgebra 
Jman
I'm sorry I don't have any idea how to do this. When I try I come up with these numbers that are not one of the choices.

PreAlgebra 
Ms. Sue
I'll be glad to check your answers.

PreAlgebra 
Ms. Sue
1)
3w – 10w = 7w
5.
–3m + 3(m + 6)
Plus and minus 3m cancel out, leaving what? 
PreAlgebra 
Jman
? :(

PreAlgebra 
Jman
I'm confused.

PreAlgebra 
Ms. Sue
Don't you know what 3 times 6 is?
I'm sorry. :( 
PreAlgebra 
Jman
Yeah! It's 18.

PreAlgebra 
Jman
Ohhhhhhhhhhhhhhhh I get it so....
2 is 3y +3z
3. 2r
4. 7x + 12
right 
PreAlgebra 
Ms. Sue
Yay! You've got it. All are correct! :)

PreAlgebra 
Jman
thanks!

PreAlgebra 
Ms. Sue
You're welcome.

PreAlgebra 
This Girl
So you go it right? Cool!
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