Question

5 times a certain number plus 2 times that number plus 2 is 16 what is the number​

Answer 1

The number is

2

Step-by-step explanation:

Let

n

represent the number.

Translating the given statement into algebraic notation, we have

XXX

5

n

+

2

n

+

2

=

16

Therefore

XXX

7

n

+

2

=

16

XXX

7

n

=

14

XXX

n

=

2

answered by: Alan P.

Answer 2

let the number be x

ATQ

`\\ \sf\longmapsto 5x+2x+2=16`

`\\ \sf\longmapsto (5+2)x+2=16`

`\\ \sf\longmapsto 7x+2=16`

`\\ \sf\longmapsto 7x=16-2`

`\\ \sf\longmapsto 7x=14`

`\\ \sf\longmapsto x=(14)/(7)`

`\\ \sf\longmapsto x=2`