Question

Please help me i don't get this stuff i am only in 6th grade

Answer 1

Option D.

Explanation:

You can do this two ways.

1. You can simplify both expressions.

2(m+m+m)+m = 2*3m+m = 7m

(3+4)m = 7m

Also, you can test each answer. Substitute all the m's for 4s and solve.

Answer 2

d option when m=4 then a=b