How do you write a number decreased by twice a number?

Give a counter example to disprove a positive integer is composite if it has two different prime factors? What number can be divided by 7 but when divided by 2 3 4 5 6 will leave a remainder of 1? My expected family contribution number is 595 what does that mean? What another name for the fraction 1 2 4? How many mg's are in 1g? How many km are in 600g? What are the applications of p chart? What is 73.2 to the nearest whole number? What is quantitative development? Horoscope Would a pieces and a pieces make a couple If not then who best suits pieces? How many yards of top soil you need to cover any area 4 feet x 8 feet and 6 inches deep? How do you use a factor tree method of 420? How do you know if two line segments are perpendicuar? How do you say ruler in Chinese? How many syllables is the word surround? What is your level when you have seven plus years experience in construction? What pluse what equals 162? What equals to 233 K? How many times does the second hand pass the twelve in 24 hours? What is the cubic volume of 4 meters x 2 meters x 12cm?