Answered

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y=x+6 and y= -2x - 3

Sagot :

840060

Answer:

y = 3

x = - 3

Step-by-step explanation:

First we represent "x" through "y"

y = x + 6

x = y - 6

Then we substatute this value instead of "x" in the other formula, and so we get...

y = - 2x - 3

y = - 2(y - 6) - 3

y = - 2y + 12 - 3

3y = 9

y = 3

Now that we know "y" we can find out "x" by doing...

x = y -6

x = 3 - 6

x = - 3

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