Question

If 25 is added to 5 times a certain number, the result is 7 times the number minus 35. Find the number. ​

Answer 1

Explanation:

Required Answer:-

Let the certain number =x

According to the question

`{:}\longrightarrow`
`\sf 5x+25=7x-35`

• Simplify

`{:}\longrightarrow`
`\sf 7x-35=5x+25`

`{:}\longrightarrow`
`\sf 7x-5x=25+35`

`{:}\longrightarrow`
`\sf 2x=60`

`{:}\longrightarrow`
`\sf x={\frac {60}{2}}`

`{:}\longrightarrow`
`\sf x=30`

`\therefore`The number is 30.