61x + 71x + 81x + 71x = 71
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Answered by
4
REFER THE ATTACHMENT....
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Answered by
2
Answer:
hola mate.
3.01408451
Explanation:
61x+71x+81x+71x=71
132x+152x=71
284x=71
x=284/71
x=3.01408451
hope it helps you
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