Question

if 10 be added to 4 times a certain number the result is 5 less than 5 times the number find the number

Answer 1

let x be the no.
then,
4x+10=5x-5
5x-4x=10+5
x=15

Answer 2

Answer:

$\ ✪ \: \large\bf{Question}$

If 10 be added to 4 times a certain number the result is 5 less than 5 times the number. Find the numbers.

$✪ \: \large\bf{Solution}$

Given -:

• 10 be added to 4 times a certain number the result is 5 less than 5 times

To Find -:

• The Required Number

Assuming -:

• Let us assume the number as x

Explanation -:

Here 10 + 4x will be equal to 5x - 5

According to the Question

$\small\rm{10 + 4x = 5x - 5}$

Transposing +5x to LHS and +10 to RHS

$\small\rm{4x - 5x = - 5 - 10}$

$\small\rm{ - x = - 15 }$

$\small\rm{x = 15}$

The number is 15.