SOLUTION: Solve using the substitution method
x-4y=12
2x-8y=16
Simplify your answer and type an ordered pair
goodness I think this is the last of these can someone please help me with
Algebra.Com
Question 434271: Solve using the substitution method
x-4y=12
2x-8y=16
Simplify your answer and type an ordered pair
goodness I think this is the last of these can someone please help me with it? Thank you!!!
Answer by scott8148(6628) (Show Source): You can put this solution on YOUR website!
adding 4y ___ x = 12 + 4y
substituting the equivalent value of x ___ 2(12 + 4y) - 8y = 16
24 + 8y - 8y = 16 ___ 24 = 16 ___ this is an indication of an inconsistent system
multiplying the original 1st equation by 2, yields ___ 2x - 8y = 24
but the original 2nd equation states ___ 2x - 8y = 16 ___ this is inconsistent
graphically, the equations represent parallel lines
they never intersect, so there is no ordered pair solution
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