The sum of the product of a number and 9 and twice the number is 49

Question

Mathematics

Jakob Bailey

14 July, 11:10

The sum of the product of a number and 9 and twice the number is 49

+5

Answers (1)

Know the Answer?

Natalia Melendez · Answer 1

Step-by-step explanation:

I got

44

and

5

Explanation:

Call the numbers

x

and

y

, you get:

x

+

y

=

49

x

=

8

y

+

4

substitute the second equation into the first:

8

y

+

4

+

y

=

49

9

y

=

45

y

=

45

9

=

5

so that:

x

=

8

⋅

5

+

4

=

44