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10x+7y=80. what is y?
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10x+7y=80. what is y?

User Ambrish Dhaka
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2 Answers

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No the answer is 70 because do seven times o and then you know that 0 so but the zero at the end and do seven times one and get seven so you know it no 80 so the number it is close to is 70
User Laurent Gabiot
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1 vote

Explanation:

subtract 10x from both sides to get 7y = -10x + 80

Divide both sides by 7

y = -10/7x + 80/7

User Vahe Gharibyan
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