Question

Z+M=34 and M+xbar =40. Find M

Answer 1

Answer:

Step-by-step explanation:

Answer 2

Answer:

$z = 3m - 2x \\ z + m = 34 \: so \:(z = 34 - m)\\ m + x = 40 \: so \: (x = 40 - m )\\ \\ (34 - m) = 3m - 2(40 - m) \\ 34 - m = 3m - 80 + 2m \\ 34 + 80 = 6m \\ 114 \div 6 = m \\ m = 19$