解答
解答
求解步骤
Translate the problem into an equation:
流行的例子
nine less than three times a number is fortythe 差集 between a number and eight is twenty twoDanny is 8 years older than Jacquereta. In 5 years the sum of their ages will be 74. How old is Danny now?*To solve this question, what would we do with the information we have? Combine them and set them equal to 180 Combine them and set them equal to 360 Set them equal to each other and solve.The 直径 of a circle is 3 miles. What is the area?