m/9=m/18+4/2

2 answers

m/9 = m/18 + 2

Subtract m/18 from both sides.

m/9 - m/18-----> 2m/18 - m/18

m/18 = 2

m/18*18 = 2*18

= 36
easier way:
multiply each term by 18 , (never did like fractions)
2m = m+36
m = 36