解答
解答
求解步骤
Translate the problem into an equation:
流行的例子
twice the 差集 between a number x and 10.When a number is doubled and then decreased by 9 the result is 19. Find the numberJoann invested 43,700 at 12% to be compounded monthly. What will be the value of Joann's investment in 4 years? Round your answer to the nearest cent, if necessary.Twice a number added to 13 is equal to 27. What is the number?The product of two consecutive odd integers is equal to 30 more than the first. Find the integers.