1 year ago

What is the answer to this question?

Mathematics

1 answer:

timurjin [86]1 year ago

3 0

Answer: Option 1

Step-by-step explanation:

See attached image

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What is the solution to the rational equation x over 2x plus 1 minus 1 over 4 equals 2 over 2x plus 1

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We want to solve
$\frac{x}{2x+1} - \frac{1}{4} = \frac{2}{2x+1}$

Subtract 2/(2x+1) from each side.
$\frac{x}{2x+1} - \frac{2}{2x+1y} - \frac{1}{4} = 0$

Add 1/4 to each side, and simplify the left side.
$\frac{x-2}{2x+1} = \frac{1}{4}$

Cross multiply.
4(x - 2) = 1(2x + 1)
4x - 8 = 2x + 1

Simplify and solve for x.
4x - 2x = 1 + 8
2x = 9
x = 9/2 or x = 4 1/2.

Answer: $x = \frac{9}{2} \,\, or \,\, x = 4 \frac{1}{2}$

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Factor the trinomial.<br> x² + 15x + 14

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