Question

A
A posetive number is 7 times
another number If 15 is added to
both the numbers the one of the
homber becomes
homber
2 What se
the numbers.
5
new
times the
other
new​

Answer 1

Answer:

Let be the NUMBER x and 7x

Then x+15=5/2(7x+15)

=2x+30=35x+75

Let be the NUMBER x and7x

Then 5/2(x+15)= 7x+15

= 5x+17 = 14x+30

= 14x-5x=75-30

=9x=45

= x=5

So, the NUMBER are 5 and 7 (5)=35

Put the value of y in( 1)

x=7(-15/7)

=x=-15

the NUMBER are -15 and -15/7

Let the NUMBER be x and y

x=7y and x+15 =5/2 (7y+15)

2x+30=5(7y+15)

2x+30=35+75

2x=35+45

2(7y)=35+45

14y=35y+45

-21=45

y=-45/21

y=-15/7

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