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2 years ago

Solve for n. –2(n + 2) + 6 = 8 n =

Mathematics

2 answers:

dezoksy [38]2 years ago

7 0

Answer:

n = <em><u>-3</u></em>

Step-by-step explanation:

We have the equation –2(n + 2) + 6 = 8. First, we simplify it:

–2(n + 2) + 6 = 8

–2(n + 2) = -2n + (-4) = -2n - 4

So now we have:

-2n - 4 + 6 = 8

We can subtract 6 from both sides of the equation to get:

-2n - 4 = 2

We can also add 4 to both sides to get:

-2n = 6

Divide both sides by 2 to get:

-n = 3

Multiply both sides by -1 to get:

n = -3

Sphinxa [80]2 years ago

3 0

Answer:

Step-by-step explanation:

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Is r=3 a solution to the inequality r+4>7

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3 years ago

Can anybody help me please

Mumz [18]

(_ , _) means (X , Y)

(25 , ) means

X = 25 then you need find the value of Y from the equation .

$y = \frac{1}{5} x - 8 \\ y = (\frac{1}{5} \times 25) - 8 \\ y = 5 - 8 = - 3$

so the first answer is (25,-3)

..............

( , -8) means

Y = -8 then you need to find the value of X from the equation .

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so the second answer is ( 0 , -8 )

hope this would help you

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2 years ago

PLEASEE HELP

ELEN [110]

X+8

The equation of that line from from picture is -x+4
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Since if is perpendicular we can assume that the equation should be positive. Eliminate the negative answers.
Negative reciprocal= x+1/4

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3 years ago