Question

If you take a number, times by 8 then add 6. You get the same as if you took the number, times by 3 then subtract 7. What is the number?

Answer 1

Answer:

let the number be x

$8x + 6 = 3x - 7 \\ 8x - 3x = - 7 - 6 \\ 5x = - 13 \\ x = \frac{ - 13}{5}$

Answer 2

Given :   a number times by 8 then add 6 you get the same as if you took the number times by 3 then subtract 7  

To Find : Number

Solution:

Let say Number = N

number times by 8 then add  6

=  8N+6

number times by 3 then subtract 7

= 3N - 7

8N+ 6  = 3N - 7

=> 5N = - 13

=> N = -13/5

=> N = -2.6

Number is  -2.6

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