Question

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

Answer 1

$\textbf {Hey there, here is the solution.}$

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STEP 1: Define x:

Let the number be x

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STEP 2: Form the equation:

10 be added to 4 times of x ,the result is 5 less than 4 times of x

⇒ 4x + 10 = 5x - 5

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STEP 3: Solve x:

4x + 10 = 5x - 5

5x - 4x = 10 + 5

x = 15

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Answer: The number is 15.

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$\textbf {Cheers}$

Answer 2

according to the problem,
let the number be x
4x+10=5x-5
5x-4x=10+5
x=15