Question

What is letter m? M/9 -17=21

Answer 1

so for M/9 -17=21, add 17 to both sides, then you get M/9 = 38. multiply 9 to both sides to get M by itself, so M=38x9, M=342

Answer 2

Add 17 to both sides

M/9=38

Multiply by 9 to both sides.

M=342