2 years ago

Solve the system by substitution. y = -x y = -5x + 40

Mathematics

1 answer:

Zolol [24]2 years ago

3 0

Answer: x = 10
(WORK SHOWN BELOW)

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How many solutions does this linear system have?<br> Y= -1/2x + 4 x + 2y=-8

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Answer:

No solutions

Step-by-step explanation:

$y=-\dfrac{1}{2}x+4 \\\\x+2y=-8$

Substitute:

$x+2(-\dfrac{1}{2}x+4)=-8\\\\x-x+8=-8\\\\8=-8$

This system has no solutions.

Hope this helps!

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Answer:

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Step-by-step explanation:

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