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lawyer [7]
3 years ago
12

Y = 2x + 1 y = 3x - 1

Mathematics
2 answers:
yuradex [85]3 years ago
6 0

Answer:

i think the answer is B

Step-by-step explanation:

5=6-1

5=5

drek231 [11]3 years ago
5 0

just need to get the equations equal together then solve for x which will give u the x-coordinate of intersection then u need to put it in which equation u want to find the y-coordinate of intersection point :

2x + 1 = 3x - 1

Add both sides 1

2x + 1 + 1 = 3x - 1 + 1

2x + 2 = 3x

Subtract both sides 2x

2x - 2x + 2 = 3x - 2x

x = 2

( This is the x-coordinate of intersection point )

_________________________________

Now to find the y-coordinate of the intersection point we have to put the value of x we found in of the equations :

y = 2x + 1

y = 2(2) + 1

y = 4 + 1

y = 5

_________________________________

Thus :

intersection point = ( 2 , 5 )

So the correct answer is option B .

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A(n - 3) +8= bn for n please help me
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We don't have any sign in between A and parenthesis (n-3).

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We need to apply distributive property to multiply A and (n-3).

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Substituting this value in original equation,

An -3A +8= bn.

We need to solve it for n, so we get n terms on a side.

We have An on left side, we need to get rid n from left side.

Subtracting An from both sides, we get

An -3A +8-An= bn-An.

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We can see n is a common factor on rigth side in bn-an.

Factoring out n on right side from bn-an.

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Dividing both sides by (b-A),

\frac{(-3A+8)}{(b-A)} = \frac{(b-A)n}{(b-A)}

On right (b-A) paranthiss cancelled and we get n on right side.

\frac{(-3A+8)}{(b-A)} =n   Final answer.

So, that would be our final answer

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7 0
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Step-by-step explanation:

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Step-by-step explanation:

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