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Effectus [21]
4 years ago
12

PLEASE HELPPPPP!!!!!! Write an equation of the line passing through point P that is perpendicular to the given line.

Mathematics
1 answer:
Dmitry [639]4 years ago
6 0
Is this a clear explanation? I mean I hope it is but if it isn’t I can explain.

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What is the solution of the system? Use elimination. <br> 3x - 4y = 9<br> -3x + 2y = 9
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You add two equations together to eliminate a variable. This particular problem is nice, because it's already setup to eliminate X.

3x - 4y = 9
<span>-3x + 2y = 9
</span>
When we add these two together, 3x - 3x cancels each other out, leaving us with 0x, or nothing.

We continue with -4y + 2y (leaves us with -2y) and 9+9 (18).

-2y = 18

18/-2 = -9.

Now we have y = -9, and we can go back into the problems to solve for x.

<span>3x - 4(-9) = 9
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3x + 36 = 9.

3x = -27

x = -9.

Confirm with the final equation:

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9 = 9 --- Confirmed.

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