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-8x + y = -6 -4x - 2y = 12
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-8x + y = -6 -4x - 2y = 12

User Lumpi
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1 Answer

5 votes

12 = -8x + y

and

12= -6 - 4x - 2y

By substraction eliminate y ,multiplying by 2

24 = -16x + 2y

12 + 6 = -4x - 2y

Then

24 + 18 = -20x

42/-20= x

21/-10= x

Now find y

y= 12 + 8x = 12 + 8(-21/10)

y= 12- 16.8 = -4.8

So then answers are

x= -21/10

y= -4.8

User Yeouuu
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