Lời Giải
The sum of twice a number and 13 is 75
Lời Giải
Các bước giải pháp
Represent the number with
A.T.Q.:
Giải
Ví dụ phổ biến
Chris is 19 years older than Shelley. Five years ago, the sum of their ages was 129. How old are they now?Six times the sum of a number and 15 is-42Three years ago, Tina was three times as old as George. Now, Tina is twice as old as George. How old are Tina and George currently?what number is 15% of 60Five times the sum of a number and 4 is-15