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21-01-2022
Mathematics

contestada

Solve using substitution.

y = x + 1
y = 2x + 9

Respuesta :

locpham2kk3 locpham2kk3

21-01-2022

Answer:

x=-8; y=-7

Step-by-step explanation:

x+1=2x+9

suy ra x=-8

thay x vào y=x+1

suy ra y=-7

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