onedirection14
Answered

Maria wants to solve the following system using the elimination method:

4x + 9y = 59
x + y = 17

What number should the equation x + y = 17 be multiplied by to eliminate y?
4
−4
9
−9

Answer :

mathstudent55
In order to eliminate the y terms, the y terms must be reciprocals.
The first equation has 9y.
To eliminate y, you need to add to it -9y.
The second equation has y. In order for the second equation to have -9y, you must multiply both sides of the second equation by -9.

Answer: D -9
cohengee2006

Answer:

d

Step-by-step explanation:

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