egr
egr
04-04-2015
Mathematics
Answered
how do you solve
6x-2y=-4
y=3x+2
Answer :
Аноним
Аноним
04-04-2015
[tex]6x - 2y = - 4; y = 3x + 2[/tex]
Now let's solve [tex]y = 3x + 2[/tex] for y
Substitute [tex](3x + 2) [/tex] for y in ↓↓↓
[tex]6x - 2y = -4: \\ 6x - 2y = -4 \\ 6x - 2(3x +2) = -4 \\ -4 =-4 \\ -4+4=-4+4 \\ =0[/tex]
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