Question 97185
{{{(1/5)x+(1/15)x+(1/50)x=43}}}
LCD=150
{{{(30/150)x+(10/150)x+(3/150)x=43}}}
{{{(43/150)x=43}}}
multiply 150/43 times both sides. x=150 Ans.
Check:
{{{150/5+150/15+150/50=30+10+3=43}}}
Ed