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

• Let the number be "x".

Given that

• If 10 be added to four times a certain number, the result is 5 less than five times the number.

$\rm : \: \implies 4x +10 = 5x - 5$

$\rm : \: \implies 5x -4 = 10 + 5$

$:\implies{\underline{\boxed{\frak{\pink{x = 15}}}}}\;\bigstar$

$\therefore{\underline{\sf{Hence, the \; required \; answer \: of \; the \; given\;question\;is \; \bf{ 15}.}}}$

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Answer 2

Answer:

Let the number be x.

According to the given condition:

» 4x + 10 = 5x - 5

» x = 15

Therefore, the number is 15.