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Lena [83]
3 years ago
8

3(2x+1)=7-2(x+5) Can you please show me how to solve this step by step please

Mathematics
1 answer:
Talja [164]3 years ago
8 0
3(2x+1) = 7-2(x+5)
    6x+3 = 7-2x-10
         -3             -3
         6x = 7-2x-10-3
       +2x     +2x
         8x = -6
        ----    -----
          8        8
           x = -3/4 

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Step-by-step explanation:

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3 years ago
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Simplify 3(x + 4) + 5x. Write your answer in factored form.​
Anvisha [2.4K]

Answer:

8x + 12

Step-by-step explanation:

3(x + 4) + 5x

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8x + 12

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3 years ago
I need help with number 4!! Please! I didn’t learn this and it is due soon! Thank you
earnstyle [38]

Answer:

$20.63 if you tip on the pre-tax amount

Step-by-step explanation:

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8 0
3 years ago
In the rectangular prism above, BF = 20 units, EF = 11 units, and BC = 9 units. If the rectangular prism is divided into two par
Blababa [14]
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8 0
3 years ago
Please show your work and explain it.
Maru [420]

Answer:

f(x)=\dfrac{x+2}{2(x-2)}

Step-by-step explanation:

Remember when you divide fractions, you need to get the reciprocal of the divisor and multiply. So your first simplification would be:

\dfrac{x^2+4x+4}{x^2-6x+8}\div\dfrac{6x+12}{3x-12}\\\\=\dfrac{x^2+4x+4}{x^2-6x+8}\times\dfrac{3x-12}{6x+12}\\\\=\dfrac{(x^2+4x+4)(3x-12)}{(x^2-6x+8)(6x+12)}

Next we factor what we can so we can further simplify the rest of the equation:

=\dfrac{(x^2+4x+4)(3x-12)}{(x^2-6x+8)(6x+12)}\\\\=\dfrac{(x+2)(x+2)(3x-12)}{(x^2-6x+8)(6(x+2))}\\\\

We can now cancel out (x+2)

=\dfrac{(x+2)(3x-12)}{(x^2-6x+8)(6)}

Next we factor out even more:

=\dfrac{(x+2)(3)(x-4)}{(x-2)(x-4)(6)}

We cancel out x-4 and reduce the 3 and 6 into simpler terms:

=\dfrac{(x+2)(1)}{(x-2)(2)}

And we can now simplify it to:

=\dfrac{x+2}{2(x-2)}

6 0
4 years ago
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