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saw5 [17]
2 years ago
8

7/3 + x=3;x math I really need help

Mathematics
1 answer:
Ksju [112]2 years ago
6 0

Given:

The equation is:

\dfrac{7}{3}+x=3

To find:

The value of x.

Solution:

We have,

\dfrac{7}{3}+x=3

Subtract both sides by \dfrac{7}{3}.

\dfrac{7}{3}+x-\dfrac{7}{3}=3-\dfrac{7}{3}

x=\dfrac{9-7}{3}

x=\dfrac{2}{3}

Therefore, the value of x is \dfrac{2}{3} or it can be written as 0.667.

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Step-by-step explanation:

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nignag [31]

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Step-by-step explanation:

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so the original numerator is:

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Let's test that by dividing it by 4x -5 with long division:

\ \ \ \ \ \ \ \ \ \  3x^2 - x + 3\\4x - 5\overline{)12x^3 - 19x^2 + 17x - 17}\\.\  \ \ \ \ \ \ \ \ \underline{2x^3 - 15x^2}\\.\ \ \ \ \ \ \ \ \ \ \ \ \ \  -4x^2 + 17x\\.\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \underline{-4x^2 + 5x} \\.\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ 12x - 17\\.\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \underline{12x - 15}\\.\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ 2R

That matches, so we know our answer's right, and:

f(x) = 12x³ - 19x² + 17x - 17

3 0
3 years ago
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