9)To find the LCD you need to find a number that all of the denominator numbers can divide into, for this problem it would be 12. 12/6+12/4+12/3=1 2+3+4=1 9=1 No solution 10) In order to solve this problem you need to cross multiply 2(3x+5)=7(10 6x+10=70 6x=60 x=10 Have a great day!:)
