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kotegsom [21]
4 years ago
13

Solve the algebraic equation 11 = 3 - 7x

Mathematics
2 answers:
Gelneren [198K]4 years ago
8 0

Answer:

-8/7 =x

Step-by-step explanation:

11 = 3 - 7x

Subtract 3 from each side

11-3  = 3-7x-3

8 = -7x

Divide each side by -7

8/-7 = -7x/-7

-8/7 =x

Ganezh [65]4 years ago
7 0

Answer:

x= -8/7

Step-by-step explanation:

1. subtract 3 from both sides

2. divide both sides by 7 to isolate x

3. multiply both sides by -1 so x can become positive

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tatuchka [14]

Answer:

-4

Step-by-step explanation:

We know the value has to be less than 0 since the answer is negative.

We also know that the value has to be greater than -13.

Now we can try the values -1 through -12

Just try each number and remember to add 11 to each value.

After doing this, you should have noticed that the number -4 had given the correct number. This means the answer is -4

4 0
3 years ago
On Tuesday Donovan earned $9 for 2 hours of babysitting on Saturday he babysat for the same family and earned 31.50 how may hour
VMariaS [17]

Hi there! :)

<u>Answer:</u>

Donovan babysat for 7 hours on Saturday in order to earn $31.50.


Step-by-step explanation:

In order for you to answer your question, you'll need to use the cross product method:

$9         → 2 hours

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<u>(2 × 31.50)</u> ÷ 9 = X hours

<u>63 ÷ 9</u> = X hours

<u>7 = X hours</u>


There you go! I really hope this helped, if there's anything just let me know! :)

7 0
3 years ago
Read 2 more answers
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Fudgin [204]
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dexar [7]

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Step-by-step explanation:

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