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Anarel [89]
3 years ago
12

I’m really confused How??? Answer???

Mathematics
2 answers:
Oduvanchick [21]3 years ago
8 0

Answer:

x = 3

Step-by-step explanation:

6x+ 5 = 3x + 14

Subtract 3x from both sides

6x+ 5 -3x = 3x + 14 - 3x

Simplifying

3x + 5 = 14

Subtract 5 from both sides

3x + 5 - 5 = 14 - 5

Simplifying

3x = 9

Divide both sides by 3

3x/3  = 9/3

Simplifying

x = 3

dlinn [17]3 years ago
6 0

Answer:

x=3

Step-by-step explanation:

First, you need to take 3x from both sides.

6x+5-3x=3x+14-3x (3x+5=14).

Next, subtract 5 from both sides.

3x=9

Finally, divide each side by 3.

3x÷3=9÷3 (x=3).

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Solve: 2cos(x)-square root 3=0 for 0 less than x less than 2 pi
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Answer:

The general solution of   cos x = cos(\frac{\pi }{6})   is  

                                                x = 2nπ±\frac{\pi }{6}

The general solution values  

                                 x = - \frac{\pi }{6}  and x = \frac{\pi }{6}

Step-by-step explanation:

Explanation:-

Given equation is  

                              2cosx-\sqrt{3} =0  for 0

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Dividing '2' on both sides, we get

                             cos x =\frac{\sqrt{3} }{2}

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<em>General solution of cos θ = cos ∝ is θ = 2nπ±∝</em>

<em>Now The general solution of   </em>cos x = cos(\frac{\pi }{6})<em>   is  </em>

<em>                                                 x = 2nπ±</em>\frac{\pi }{6}<em></em>

put n=0

x = - \frac{\pi }{6}  and x = \frac{\pi }{6}

Put n=1  

x = 2\pi +\frac{\pi }{6} = \frac{13\pi }{6}

x = 2\pi -\frac{\pi }{6} = \frac{11\pi }{6}

put n=2

x = 4\pi +\frac{\pi }{6} = \frac{25\pi }{6}

x = 4\pi -\frac{\pi }{6} = \frac{23\pi }{6}

And so on

But given 0 < x< 2π

The general solution values  

                                 x = - \frac{\pi }{6}  and x = \frac{\pi }{6}

                               

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