Please help me with this ASAP.

C

Step-by-step explanation:

If you add the first equation up you get 2z+6 by combining like terms

if you see A a is equal to 3z+6 so a doesn’t work

If you look at B b is equal to z+12 so b doesn’t work

finally C if you distibute it out you get 2(z)+2(3) which equal 2z+6 which works

C

i think is 3 and 6. this took me 10 min to think.hope to and hope that my answer is brainliest.(follow me )

c 1 hour

step-by-step explanation:

m = 2e

m = 2 so 2 = 2e

1 = e