jae123444 jae123444

21-01-2021
Mathematics

contestada

x + y = 4
y = 2x + 1
solve using the substitution method

Respuesta :

taryntomes8 taryntomes8

21-01-2021

x+(2x+1)=4
3x+1=4
x=1
1+y=4
y=3
(1,3)

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