Translate the following verbal phrases/sentences to mathematical phrases/sentences
1.The sum of a number and three 2.Four times a certain number deacreased by one 3.One subtracted from four times a number 4.A certain number decreased by two 5.Four increased by a certain number 6.A number divided by 7 is 9 7.A number minus 12 8.The quotient of "y" and 3 is 25 9.One-fifth of "r" is 15 10.Six less than 2 times "y" is 34
