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Translate the problem into an equation:
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I thought of a number. Seven times the number decreased by 13 equals 5 times the number increased by 5. What was my number?Lena puts 1,000.00 into an account to use for school expenses. The account earns 1% interest, compounded continuously. How much will be in the account after 9 years?The 面積 of a rectangular window is 5394cm^2 :If the length of the window is 87cm , what is its width?The sum of the squares of two consecutive positive odd integers is 202. find the integers.Calculate the simple interest rate used if 4350 was earned on a 19000 investment over 8 years