Answer :

seie4831

Answer:

1

Step-by-step explanation:

(

7

)

(

5

x

+

y

)

=

(

7

)

(

9

)

10

x

7

y

=

18

Simplify.

35x+7y=63

10x−7y=−18

Add the two equations together to eliminate

y35x+7y=63+10x−7y=−1845x=45

Divide each term by 45 and simplify.

x=

1

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