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mixer [17]
3 years ago
8

How do you Solve 5(x+1)=3x+12?

Mathematics
2 answers:
Llana [10]3 years ago
6 0
 <span>Expand
</span>5x+5=3x+12<span>x=7/2</span>
Vitek1552 [10]3 years ago
5 0
 <span>Expand
</span><span>5x+5=3x+12</span>
<span>Subtract 5 from both sides
</span><span>5x=3x+12−5</span>
<span>Simplify <span>3x+12−5</span> to <span>3x+7</span>
</span><span>5x=3x+7</span>
<span>Subtract <span>3x</span> from both sides
</span><span>5x−3x=7</span>
<span>Simplify <span>5x−3x</span> to <span>2x</span>
</span><span>2x=7</span>
<span>Divide both sides by 2
</span><span><span>x=<span>7/2</span></span></span>
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Answer:

<em>12 scoops of dog food are needed for 6 dogs,</em>

Step-by-step explanation:

<u>Proportions</u>

The number of scoops of dog foods and the number of dogs are proportional variables.

We are given that 10 scoops of dog foods are used for 5 dogs. This gives a proportion of 10/5=2 scoops per dog.

We also know that 16 scoops are used for 8 dogs. The proportion is also 16/8=2 scoops per dog.

Thus, the constant of proportionality is 2.

For 6 dogs, you need to prepare 2*6 = 12 scoops of dog food.

12 scoops of dog food are needed for 6 dogs,

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2 years ago
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Andre45 [30]

Answer:

Step-by-step explanation:

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2 years ago
Type the correct answer in the box. Use numerals instead of words.
Mashutka [201]

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Step-by-step explanation:

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Step-by-step explanation:

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4 0
2 years ago
Read 2 more answers
To solve the equation 2x - 6 = 14, first
Anna [14]

2x - 6 = 14

Add 6 to both sides to isolate the x

2x = 20

Divide 2 to both sides since x is multipled to x

x = 10

To check your work plug 10 into the equation

2(10) -6 = 14

20 - 6 = 14

14 = 14

and it works

8 0
2 years ago
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