SOLUTION: this is fractions and I do not know how to do this it is 2 ----- 5 4 ---- = ----- 9 x do you

Algebra ->  Test -> SOLUTION: this is fractions and I do not know how to do this it is 2 ----- 5 4 ---- = ----- 9 x do you      Log On


   

Question 305732: this is fractions and I do not know how to do this it is
2
-----
5 4
---- = -----
9 x
do you re write the first equation 2 1
-- x --- then find common denominator
5 9
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
You can cross multiply like when you have
a%2Fb=c%2Fd
Then you multiply by bd to get
ad=bc
In this case,
%282%2F5%29x=4%2A9
x=%285%2F2%2936
x=90