(m+3)/16 = (m+1)/12

Answer 1

"cross" multiplying ... 12 m + 36 = 16 m + 16

Answer 2

So... What about the 3 & 1?

Answer 3

m = 5

Answer 4

when you multiply, the 12 and 16 are distributed

3 * 12 = 36 , 1 * 16 = 16

Answer 5

Makes so much sense! Thank you!