sarah298
sarah298
08-11-2017
Mathematics
contestada
how do i solve x=y+1 and 3x+2y=8 by substitution
Respuesta :
grantloewenstine
grantloewenstine
08-11-2017
3(y+1)+2y=8
3y + 3 +2y = 8
5y +3 = 8
-3 -3
5y = 5
--- ---
5 5
y=1
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