Question

please help me... I know the answer is -30. I just need the steps:
42=-3(m+6)=m

Answer 1

something wrong here 42 = etc. = -m
means m=-42

Answer 2

42=-3(m+6)+m.....Sorry

Answer 3

42 = -3m -18 + m = 2m - 18
60 = 2 m

you are nearly done

Answer 4

Then divid it by 2

Answer 5

*42=-3m-18+m
+18. +18
-------------------
60= -2m
--- ----
-2. -2

m=?

Answer 6

-30

Answer 7

Bingo!

Answer 8

Thxs