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vovikov84 [41]
3 years ago
8

What is the answer to this equation for into math .com 10q+5r−q+4r=

Mathematics
1 answer:
maxonik [38]3 years ago
3 0

Answer:

<h3>10q-q+5r +4r =9q +9r </h3>

Step-by-step explanation:

I hope it helps you

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Tomas used incorrectly the rule of signs, the expression should be simplified as follows:

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<h3></h3><h3>What mistake did Tomas likely make?</h3>

Here Tomas wants to perform an addition between two numbers:

-2.6 + (-5.4)

And the outcome that Tomas gets is:

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Here his mistake seems to bee that he thought the second number was a positive number, and he solved the operation:

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So, he used wrong the rule of signs.

Remember that the rule of signs says that:

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Using that, we can rewrite the original expression:

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Solving that, we get:

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If you want to learn more about the rule of signs:

brainly.com/question/13333620

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