kiaragenesis06 kiaragenesis06

19-11-2020
Mathematics

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4x+y=6
y=-4x-1
HELP ME

Respuesta :

mhanifa mhanifa

19-11-2020

Answer:

No solution

Step-by-step explanation:

Given

4x+y=6
y=-4x-1

Solution 1

Substitute y in the first equation:

4x + (-4x - 1) = 6
4x - 4x =6 + 1
0 = 7

Incorrect, therefore no solution

Solution 2

Writing both equation as lines:

y = -4x + 6
y = -4x - 1

As we see both lines have a same slope. It means they are parallel and no intersection.

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