Question

A number is multiplied by 5 and then 7 is added to the product. If the final result is 57,

find the number​

Answer 1

Answer:

Let the number be x

ATQ -- 5 × x = 5x

And then 7 + 5x = 57

Therefore 5x = 50

x = 10 ..

Hope it helps you ✌..

Thanks :-)

Answer 2

Answer:

$let \: the \: number \: be \: x \\ a \: number \: is \: multiplied \: by \: 5 = x \times 5 = 5x \\ then \: 7 \: is \: added = 5x + 7 \\ the \: equation \: is : - \\ 5x + 7 = 57 \\ = 5x = 57 - 7 \\ 5x = 50 \\ x = \frac{50}{5} \\ x = 10$