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nadezda [96]
4 years ago
12

3(2x - 3) + x = 4(x + 2)

Mathematics
1 answer:
Vinil7 [7]4 years ago
8 0

Answer:

x = 17/3

Step-by-step explanation:

3(2x - 3) + x = 4(x + 2)

7x - 9 = 4x + 8

Add 9 to both sides:

7x - 9 + 9 = 4x + 8 + 9

Simplify:

7x = 4x + 17

Subtract 4x from both sides:

7x - 4x = 4x + 17 - 4x

Simplify:

3x = 17

Divide both sides by 3:

3x/3 = 17/3

x = 17/3

Hope this helps!!

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The point P(5, −4) lies on the curve y = 4/(4 − x).
dalvyx [7]

Answer:

4

Step-by-step explanation:

Slope refers to the steepness of the line.

Slope is equal to change in value of y divided by change in value of x.

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So, slope of the secant line is \frac{\frac{4}{4-x}+4}{x-5}=\frac{4+4(4-x)}{(x-5)(4-x)}=\frac{20-4x}{(x-5)(4-x)}=\frac{-4(x-5)}{(x-5)(4-x)}=\frac{-4}{4-x}=\frac{4}{x-4}

(i) At x = 4.9,

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(ii) At x = 4.99,

\frac{4}{4.99-4}=\frac{4}{0.99}=4.040404

(iii) At x = 4.999,

\frac{4}{4.999-4}=\frac{4}{0.999}=4.004004

(iv) At x = 4.9999,

\frac{4}{4.9999-4}=\frac{4}{0.9999}=4.0004

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\frac{4}{5.0001-4}=\frac{4}{1.0001}=3.9996

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