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please help me. question is "solve each system of linear equations by substitution"

please explain how you got the answer.

thank you very much you INTELLECTUALS​

please help me question is solve each system of linear equations by substitutionplease explain how you got the answerthank you very much you INTELLECTUALS class=

Respuesta :

Answer:

(-9,-7)

Step-by-step explanation:

Since x = 2y+5,

substitute that into the other equation. Then you have

3(2y+5)-5y = 8

6y+15-5y = 8

y = -7

so, x = 2(-7)+5 = -9

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