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If r + t = 10 and -r + t = 4, What is the value of 5r + 8t?
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If r + t = 10 and -r + t = 4, What is the value of 5r + 8t?

User Larusso
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1 Answer

3 votes

Answer:

71

Explanation:

Start solving using simultaneous equation,From there, we have r to be 3 and t to be 7

If r + t = 10 and -r + t = 4, What is the value of 5r + 8t?-example-1
User Gene R
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