Question

can someone tell me if im doing this right?
i have to put them with their property!

1) 3x+(-3x)=0
2) 4*(7*5)=(4*7)*5
3) -12*1=-12
4) 8(2x)=2x(8)
5) -2x(4x+5)=-8x-10

a. commutative
b. inverse
c. distributive
d. associate
e. identity

so far i have
2 = d
3= e
4=a
am i right so far??!!

Answer 1

wait number 5 is " -2(4x+5)=-8x-10