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4 years ago

3x-y=3 I need to find x and y

Mathematics

2 answers:

zubka84 [21]4 years ago

7 0

Answer:

Step-by-step explanation:

I believe X= 2 and Y=3

Anika [276]4 years ago

5 0

well,

3x-y=3

1.x=0

y=-4

2. x=1

y=0

3. x=2

y=3

4.x=3

y=6

5. x=4

y=9

m. x=n

y=3(x-1)

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Answer:

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nevsk [136]

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3 years ago

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3 years ago

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3 years ago

Solve each equation by completing the square. n^2 - 6n + 6 = -2

Law Incorporation [45]

<h3><u>Explanation</u></h3>

Separate the constant out of expression.

$( {n}^{2} - 6n) + 6 = - 2$

Find the constant that makes the expression able to be squared. You have to subtract the separated constant by new constant as well.

$( {n}^{2} - 6n + 9) + 6 - 9 = - 2 \\ {(n - 3)}^{2} - 3 = - 2 \\ {(n - 3)}^{2} = 1$

Square Root both sides to get rid the squared expression. Make sure to write plus or minus.

$\sqrt{ {(n - 3)}^{2} } = + \sqrt{1} \\ \sqrt{ {(n - 3)}^{2} } = - \sqrt{1} \\ n - 3 = 1 \\ n - 3 = - 1$

$n - 3 = 1 \: \: \: or \: \: \: n - 3 = - 1 \\ n = 1 + 3 \: \: \: or \: \: \: n = - 1 + 3 \\ n = 4 \: \: \: or \: \: \: n = 2$

<h3><u>Answer</u></h3>

$\large \boxed {n = 4,2}$

3 0

3 years ago

3x-y=3 I need to find x and y​

3x-y=3 I need to find x and y