crystall975 crystall975

04-12-2020
Mathematics

contestada

у = х + 4
3х — 4у = - 19

Respuesta :

vivianwu110706 vivianwu110706

05-12-2020

Answer:

x=3

y=7

Step-by-step explanation:

3x-4(x+4)=-19

3x-4x-16=-19

-x-16=-19

+16. +16

________

-x=-3

×-1 ×-1

______

x=3

y=3+4

y=7

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