heydudecomehere heydudecomehere

20-02-2020
Mathematics

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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 :

ooblecksrm ooblecksrm

20-02-2020

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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