04-02-2017
Mathematics

contestada

Solve the system of equations using substitution:

7y+2x=16
5y-9=x

Respuesta :

maurynkennedy13 maurynkennedy13

04-02-2017

7y+2(5y-9)=16
7y+10y-18=16
17y=34
y=2

5(2)-9=x
10-9=x
x=1

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