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Lina20 [59]
2 years ago
15

Solve by substituting the equation y=-x-6 y=x-4(plz show work)

Mathematics
1 answer:
Elena-2011 [213]2 years ago
4 0

Answer:

x = -1, y= -5

Step-by-step explanation:

y=-x-6

y=x-4

Since both equations are equal to y we can set them equal to each other

-x-6 = x-4

Add x to each side

-x-6+x = x-4+x

-6 = 2x-4

Add 4 to each side

-6+4 = 2x-4+4

-2 =2x

Divide by 2

-2/2 = 2x/2

-1 = x

now find y

y = x-4

y = -1-4

y = -5

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Let:

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