Question

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

Answer 1

Answer:

The number is

2

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

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

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

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

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

$\\ \sf\longmapsto 7x=14$

$\\ \sf\longmapsto x=\dfrac{14}{7}$

$\\ \sf\longmapsto x=2$