CBoy1
CBoy1
15-02-2017
Mathematics
contestada
I do not understand theses... Please help!
Respuesta :
texaschic101
texaschic101
15-02-2017
y = x + 1
y = 2x - 1
basically we r going to sub in one y for another
x + 1 = 2x - 1
1 + 1 = 2x - x
2 = x
now we sub 2 in for x in either of the original equations to find y
y = x + 1
y = 2 + 1
y = 3
so ur solution is (2,3)
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Аноним
Аноним
15-02-2017
y =x+1
y=2x-1
-------------subtract
0 = -x +2
-x + 2 = 0
x =2
y =x+1
y =2+1
y= 3
answer
solution (2,3)
Answer Link
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