What is Y-3x=-2 and Y+x=-6
2 answers:
Rearranging the first equation gives:

Substituting this into the other equation gives:

If x=-1:

So
x=-1, y=-5
Y - 3x = -2 ⇒ 2y - 6x = -4
y + x = -6 ⇒ <u>2y + 2x = -12</u>
-<u>8x</u> = <u>8</u>
-8 -8
x = -1
y - 3(-1) = -2
y + 3 = -2
<u> -3 -3</u>
y = -5
(x, y) = (-1, -5)
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30/4 is also equal to 7 1/2.
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Answer:
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Step-by-step explanation:
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Answer:
at first we put the numbers in order from least to greatest
2 , 6 , 6 , 7 , 8 , 9
1st quartile = 6
median = (6+7)/2 = 6.5
3rd quartile = 8
Answer:
1.4
Step-by-step explanation:
9.5+0.9t
=9.5+0.9(-9)
=9.5+-8.1
=1.4