Question

if 7 time A certain number is subtracted from 630 the reminder is three times the number find the number​

Answer 1

Answer:

answer is 63

630 -7x = 3x

tele -7x to rhs

then 3x + 7x = 10x now take 10 to LHS

then 630 /10 the zeros will get cancelled and 63 is the answer