Answer:
c
Step-by-step explanation:associative: a+(b+c)=(a+b)+c
commutative: a+b=b+a
distributive: a(b+c)=ab+ac
inverse: I think it is a times 1/a=1, doesn't matter
Answer:
a) 8
b) 27
c) x+7
d) 5
Step-by-step explanation:
For a and b your are just adding 7
For c you are just writing the algebraic equation
For d you are just subtracting 7
Hope this helps!:)
