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Mrac [35]
2 years ago
14

Add 5x+4y;3x-7y;-4x+8y​

Mathematics
1 answer:
viktelen [127]2 years ago
4 0

The answer is 4x + 5y.

Here, what needs to be done is to combine like terms.

  • 5x + 4y + 3x - 7y - 4x + 8y
  • 5x + 3x - 4x + 4y + 8y - 7y
  • 4x + 5y
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Answer:

x=4

Step-by-step explanation:

4(3x+5)=6(x+8)-x

Distribute

12x +20 = 6x +48 -x

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Subtract 5x from each side

12x-5x +20 = 5x-5x+48

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3 years ago
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Answer:

15 = 9 + 5j

Step-by-step explanation:

When you want to make words become an equation, the word <em>is</em><em> </em>usually means <em>= </em>and <em>more</em><em> </em>usually means <em>+</em>.

In this case, we have 15 is 9 more than 5j.

We can rewrite this as 15 = 9 + 5j.

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