Question

If 10 be added to four times a certain number, the result is 5 less than five times the number find the number
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Answer 1

Answer:

let the number be x

so,

$10 + 4x = 5x - 5$

$10 + 5 = 5x - 4x$

$15 = x$

therefore the number is 15.

Answer 2

Answer:

15

Step-by-step explanation:

let the no. be x

10+ 4x = 5- 5x

10+5 = 5x- 4x

15 = x

x=15