Question

x-3/5 + 7 = 7x-1/3 answer 13 book mathspark class 7 chapter 7 exercise 7.1 Q.5 (d)​

Answer 1

Answer:

The solution of the given equation is = 101/90

Step-by-step explanation:

The given equation is,

x - 3/5 + 7 = 7x - 1/3

Now we have to solve this equation,

x - 3/5 + 7 = 7x - 1/3

=> x - 7x = 3/5 - 7 - 1/3

Now we have to find the L. C. M of 3,5

The L. C. M of 3,5 is = 3×5 = 15

Now,

=> - 6x = ((3×3) - (7×15) -(1×5)) /15

=> - 6x = (9-105-5) /15

=> - 6x = -101/15

=> x = (-101/15) ÷(-6)

=> x = 101/(15×6) = 101/90

Therefore the solution of the equation is = 101/90