Question

What is the value of m? 13m = 12 – m A.3 B.4 C.9 D.12

Answer 1

1/3m = 12 - m...add m to both sides
1/3m + m = 12
4/3m = 12
m = 12 * 3/4
m = 36/4
m = 9 <===

Answer 2

Answer: m=9 wich is option c