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Question: Hey peoplez! please help with algebra? no text book =(?

Ey people, Well ya im in highschool first year…a freshman….FRESH MEAT! haha well ya ummm Im in algebra1 and I was absent for like…4 days and I missed aton of stuff we did, and we have a HUGE test which will be like 72% of our grade =/ so I can you guys answer these questions? These are some questions I made up and some I found on a worksheet we did today. These are basically the ones I dont understand. Also try answering all of them because I wanna write them down on my cheat sheet which I can use tomorrow. =]

Name the property

36 + 3 = 3 + 36

1 x Z2 = Z2

12x + 12y = 12(x + y)

(9y2) x 0 = 0

(9 + 1)x + 7 = 10x + 7

ab + 2d = ba + 2d

(6 x m) x n = 6 x (m+n)

9p + 9z = 9(p + z)

Answer: Let’s see, well the properties=
Commutative Property= a+b=b+a or ab=ba
Distributive property= a(b+c)=ab+ac
Associative Property= a+(b+c)=(a+b)+c or a(bc)=(ab)c
Identity Property= 1 times a=a, or 0+a=a
Property of 0= anything times 0=0!!!
Those are all the ones you need for this assignment, it seems. But what? Freshman.. algebra 1?

See, like for the first one, it’s commutative since they just swap them.

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