gisellelopez06 gisellelopez06

06-02-2021
Mathematics

contestada

18x - 77=1
X - 7y=-33

Respuesta :

Parasmahata Parasmahata

06-02-2021

Answer:

x=-33+7y

then putting value of x

18(-33+7y)-77=1

-594+126y-77=1

-671+126y=1

126y=670

y=670/126

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