62.2k views
1 vote
2/3+3k/4=71/12
How Do I Solve This?

User Prolific
by
8.3k points

1 Answer

4 votes

(2)/(3) + (3k)/(4) = (71)/(12)

LCD ( 3 * 4 ) = 12

Multiply by LCD = 12


(2)/(3) *12+ (3k)/(4) *12= (71)/(12) *12

Refine :


9 k + 8 =7

Subtract 8 from both sides:


9k+8-8 = 71-8


9k = 63

Divide both sides by 9


k= (63)/(9)


k=7

hope this helps!

User MarJamRob
by
8.4k points