Question

The sum of three times a numbet (x)and 15 is 42 find the number​

Answer 1

3Yx15=42

3yx15+=42

-15 -15

3y=27

3/3=27/3

y=9

Explanation:

Answer 2

Given:

The sum of three times a Number (x) and (15) is equal to 42.

To find:

The numbers.

Solution:

The first no. will be
`\sf{3x(3×x=3x)}`

And,the second no. will be
`\bf{15}`

A/Q

`\implies\sf{3x+15=42}`

`\implies\sf{3x=42-15}`

`\implies\sf{3x=27}`

`\implies\sf{x=}(27)/(3)`

`\implies\sf{x=9}`

Therefore,the first number will be ,

`\leadsto{3x=3×9=27}`

`\bf\underline\green{Verification:-}`

`\leadsto\bf{27+15=42}`

`\leadsto\bf{42=42}`

Hence,Verified.