2 answers:
Answer:
<h2>x = 84 </h2>
Step-by-step explanation:
![\frac{2x}{7} - 18 = 6](https://tex.z-dn.net/?f=%20%5Cfrac%7B2x%7D%7B7%7D%20%20-%2018%20%20%3D%206)
<u>Add 18 to both sides of the equation</u>
That's
![\frac{2x}{7} + 18 - 18 = 6 + 18 \\ \frac{2x}{7} = 24](https://tex.z-dn.net/?f=%20%5Cfrac%7B2x%7D%7B7%7D%20%20%2B%2018%20-%2018%20%3D%206%20%2B%2018%20%5C%5C%20%20%5Cfrac%7B2x%7D%7B7%7D%20%20%3D%2024)
Multiply through by 7 to eliminate the fraction
![7 \times \frac{2x}{7} = 24 \times 7 \\ 2x = 168](https://tex.z-dn.net/?f=7%20%5Ctimes%20%20%5Cfrac%7B2x%7D%7B7%7D%20%20%3D%2024%20%5Ctimes%207%20%5C%5C%202x%20%3D%20168)
<u>Divide both sides by 2</u>
![\frac{2x}{2} = \frac{168}{2} \\](https://tex.z-dn.net/?f=%20%5Cfrac%7B2x%7D%7B2%7D%20%20%3D%20%20%5Cfrac%7B168%7D%7B2%7D%20%20%5C%5C%20)
We have the final answer as
<h3>x = 84</h3>
Hope this helps you
<h3>Given:</h3>
![\frac{2x}{7} - 18 = 6](https://tex.z-dn.net/?f=%20%5Cfrac%7B2x%7D%7B7%7D%20%20-%2018%20%3D%206)
<h3>To Find:</h3>
The value of x.
<h3>Solution:</h3>
By adding 18 to both the sides, we get
![\frac{2x}{7} = 24](https://tex.z-dn.net/?f=%20%5Cfrac%7B2x%7D%7B7%7D%20%20%3D%2024)
By taking 7 to the RHS, we get
![2x = 24 \times 7 = 168](https://tex.z-dn.net/?f=2x%20%3D%2024%20%5Ctimes%207%20%3D%20168)
By taking 2 to the other side, we get
![x = \frac{168}{2} = 84](https://tex.z-dn.net/?f=x%20%3D%20%20%5Cfrac%7B168%7D%7B2%7D%20%20%3D%2084)
<h2>Answer:</h2>
The value of x is 84.
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2. 15y - 20y = -5y
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![26\cdot\frac{1}{2}=\frac{26}{2}=13](https://tex.z-dn.net/?f=26%5Ccdot%5Cfrac%7B1%7D%7B2%7D%3D%5Cfrac%7B26%7D%7B2%7D%3D13)
It means 13 cups are needed to give each of the 26 kids 1/2 of a cup of chocolate.
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Step-by-step explanation:
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m= -1/3
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Answer:
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Step-by-step explanation:
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