Answer:
M = 90
Explanation:
1) Simplify 2/9m to 2m/9.

2) Subtract 12 from both sides.

3) Simplify - 8 - 12 to -20.

4) Multiply both sides by 9.

5) Simplify 20 × 9 to 180.

6) Diving both sides by -2.

7) Two negative makes a positive.

8) Simplify 180/2 to 20.

Hence, the answer for m is m = 90