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iren2701 [21]
2 years ago
8

-9 >-5n- 4n what do I do

Mathematics
2 answers:
sergey [27]2 years ago
5 0
-9 > -5n -4n
⇒ -9 > (-5 -4)*n (distributive property)
⇒ -9 > -9n
⇒ -9/ (-9) < n
⇒ 1 < n

Final answer: n > 1.
alexandr1967 [171]2 years ago
4 0
Solution

1) <span>Simplify <span><span>−5n−4n</span></span> to <span><span>−9n</span></span>
</span><span><span>−9>−9n
</span></span>
2) <span>Divide both sides by <span><span>−9</span></span>
</span><span><span>1<n
</span></span>
3) <span>Switch sides
</span><span><span>n>1</span></span>
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Makes no sense I wish it did
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Answer:

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Step-by-step explanation:

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3 years ago
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gulaghasi [49]

Answer

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Step-by-step explanation:

Let's use "x" to represent burger meals and "y" to represent hot dog meals.

Garcia family:

3x + 4y = $48

Baker family:

6x + 2y = $60

We have to first compare both families' and then eliminate one of our common variables, either the "x" or "y".

3x + 4y = $48

6x + 2y = $60

Let's eliminate "x". To do this we can multiply "3x" by "-2" to get "-6x". This will cancel out "6x":

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Now to add our two families' equations together...

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+

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=

- 6y = -$36

Divide both sides by "-6" to get "y" by itself.

y = $6

We now know the value of "y" <em>or </em>one hot dog meal. Next, we want to solve for "x", our variable for the hamburger meal... We will plug in our y value to help us...

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We want to get our x by itself. First, we can subtract 24 from each side.

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To check our work we can plug in our values for both "x" and "y" to see if they add up to $48 and $60:

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3 years ago
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Answer:

you mean like this :))

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<=>-5x + 7 = Y

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