3 years ago

How do I solve -(x+7)-5=4(x+3)-6x

Mathematics

1 answer:

sasho [114]3 years ago

4 0

Answer:

x = 24

Step-by-step explanation:

I checked and made sure the answer was correct.

Hope this helps!

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1/4(1/3k+9)=6 step 1- 1/3k=15 step 2- 1/3k=15 step 3- k=5 find Olgas mistake step 1 step 2 steps 3 Olga did not make a mistake

shtirl [24]

Answer:

Step 3 contains error.

Step-by-step explanation:

The given equation is :

$\dfrac{1}{4}(\dfrac{1}{3}k+9)=6$

Step 1.

Cross multiplying,

$(\dfrac{1}{3}k+9)=24$

Step 2.

Subtract 9 from both sides

$\dfrac{1}{3}k+9-9=24-9\\\\\dfrac{1}{3}k=15$

Step 3.

Cross multiplying

$k=15\times 3\\\\k=45$

So, there is an error in step 3. The correct answer should be 45.

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Answer:

3 units or 3/1 (the fraction)

Step-by-step explanation:

Do 3/4 x 3 and you got 12/4 and that is simplified to 3

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Answer:

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Step-by-step explanation:

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1000+150(12)=1000+1800=2800

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