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mixas84 [53]
3 years ago
6

The equation 4[x + 2(3x −7 )] = 22x − 65 was simplified to write the equivalent equation of 28x-56=22x-65.

Mathematics
1 answer:
Klio2033 [76]3 years ago
6 0

Answer:

  x = -3/2

Step-by-step explanation:

Starting from the simplified form, we can subtract 22x to get ...

  6x -56 = -65

  6x = -9 . . . . . . . . add 56

  x = -9/6 = -3/2 . . . . divide by 6 and simplify

The solution of the equation is x = -3/2.

_____

<em>Check</em>

Substituting -3/2 for x in the original equation, we get ...

  4[-3/2 +2(3(-3/2) -7)] = 22(-3/2) -65

  4[-3/2 +2(-23/2)] = -33 -65

  4[-3/2 -23] = -98

  4[-49/2] = -98 . . . . . . . true

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Ket [755]

Hi!

The answer should be third option.

20+4j\ge 2\left(j+20\right)

20+4j\geq 2j+40

20+4j-20\geq 2j+40-20

4j\geq 2j+20

4j-2j\geq 2j+20-2j

2j\geq 20

\frac{2j}{2}\geq \frac{20}{2}

Answer ---> j\geq 10

Explanation: <u><em>First you had to subtract by the 20 from both sides. Then simplify it gave us 4j ≥ 2j+20.  You can also subtract by the 2j from both sides. Then simplify its going to be 2j≥20. Next, you can also divide by 2 from both sides, and it gave us the answer is j≥10 is the right answer. Hope this helps! And thank you for posting at here on Brainly. And have a great day. -Charlie</em></u>

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Answer:

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Step-by-step explanation:

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3 years ago
What is the value of (f+g)(5)if f(x)=7x-2 and g(x)=9x-4?
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Step-by-step explanation:

All you have to do it first add f(x)+ g(x) and then plug in x=5.

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