if 7 time A certain number is subtracted from 630 the reminder is thre – InterviewSolution

1.

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

Answer»

ong>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

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