해법
해법
솔루션 단계
Translate the problem into an equation
Solve the equation
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Twice the 차이 of a number and 2 equals 7A bill of\$16000 is charged for water and is calculated with a vat of 8%.Calculate the value of the total billnumber subtracted from 15/7 gives 7/2 Find the number.Two more than the quotient of a number and 9 is equal to 8circle has an area of 20ft^2 What is the 원둘레 of the circle (Round to 3 decimal places)?