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Softa [21]
3 years ago
10

Giving twenty points! (: (10 points each!)

Mathematics
2 answers:
mrs_skeptik [129]3 years ago
4 0
A. given
b. distributive property (a(b+c)=ab+ac)
c. addition or commutative property (a+b=b+a)
d. subtraction property of equality (if a=b, then a-c=b-c)
e. division property of equality (if a=b, then a/c=b/c)
f. equality property (if a=b, then b=a)
Ray Of Light [21]3 years ago
4 0
A. is distribution  property where you just multiply 3(n+4)= 3n+12
b. combine like terms 3n+3n=6n
c.subtract 42-12=30
d.divide 30 by 6n
e. you answer 5=n
f. They just turn it around because n has to be in the front

hope it is what you are looking for

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