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11-01-2023
Mathematics

contestada

Solve by using substitution. x+2y=−1 x=y+5

Respuesta :

cxin4922 cxin4922

11-01-2023

Answer:

Step-by-step explanation:

the first equation we konw x=-2y-1,

then -2y-1=y+5

so, y = -2, x=3

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