Answer:
m=9
Step-by-step explanation:
It's very simple.
First, you have to subtract 8 to both sides.
7m+8=71
-8 -8
Then, once you've subtracted, your left with 7m= 63. Now you have to divide to both sides.
7m= 63
7 7
In conclusion, once you've divided, you are left with your answer.
m=9
