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blagie [28]
2 years ago
13

8x+5y=24 y=−4x ​what is X and Y??

Mathematics
2 answers:
Mrac [35]2 years ago
8 0

Answer:

Step-by-step explanation:

plug y into the first equation:

8x+5y=24

8x+5(-4x)=24

8x-20x=24

-12x=24

x=-24/12

x=-2

then plug x to the second equation

y=-4

y=-4(-2)

y=8

x=-2

y=8

zalisa [80]2 years ago
5 0

8x + 5y = 24

You just told us that  Y = -4x .

If that's true, then

8x + 5(-4x) = 24

8x - 20x = 24

-12x = 24

<em>x = -2</em>

<em></em>

y = -4x

y = -4(-2)

<em>y = 8</em>

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