Question

the positive integer nwhen divided by 9 give 7 as remainder. what will be remainder when 3x-1 is divided by 9​

Answer 1

u can find it easly dear

Answer 2

n/7=9

n=9×7

n=63

therefore n=63

3x-1/9=3(63)-1/9

189-1/9=188/9=20.8888....