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andrezito [222]
3 years ago
7

The product of a number and -7 amounts to seven times the sum of that number and 20. Find the number.

Mathematics
1 answer:
MA_775_DIABLO [31]3 years ago
8 0

Answer: -10

Step-by-step explanation:

If you put it in an equation it would be -7x=7(x+20). You would then -7x to both sides to get -14x=140. Just divide -14 on both sides to isolate x. This equates to -10. If you put -10 back into the equation then it says that 70 is 7 times larger than 10. Which it is.

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How do you sole this question kelpie sold cameras on her web site. She bought the cameras for $65 each included a 60% markup to
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So 65 dollars was what she paid
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