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leva [86]
2 years ago
5

How do I solve this equation ???

Mathematics
1 answer:
Anastaziya [24]2 years ago
8 0

To solve for the variable b , we have to make it alone. The first thing we do is add 6.5 to both sides of the equation:

13.7b-6.5+6.5=-2.3b+8.3+6.5\\13.7b=-2.3b+14.8

Now add 2.3 to both sides:

13.7b+2.3b=-2.3b+14.8+2.3b\\16b=14.8

Finally, divide both sides by 16 to get the final answer:

\frac{16b}{16} =\frac{14.8}{16}

Therefore,

b=0.3

Hope this helps!

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The coffee shop used 52 pounds of Type A coffee.

Step-by-step explanation:

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According to given statement;

x+y=142      Eqn 1

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Multiplying Eqn 1 by 4.10

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Subtracting Eqn 3 from Eqn 2

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Dividing both sides by 1.15

\frac{1.15x}{1.15}=\frac{59.80}{1.15}\\x=52\\

The coffee shop used 52 pounds of Type A coffee.

Keywords: linear equation, elimination method

Learn more about elimination method at:

  • brainly.com/question/10677255
  • brainly.com/question/10689103

#LearnwithBrainly

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