What is  “6 subtracted from a number” in algebraic expression ?

What is "Three subtracted from twice a number"  in algebraic expression?

When 636 is subtracted from a number, it reduces to its two–fifth. Which of the following would be twice that number?

1. Express in mathematical phrase: nine times a number less five.A. 9(5 – n) B. 5 – 9n C. 9(n –5) D. 9n – 52. How does the mathematical phrase, "eight more than the difference of a numberand six" be translated into an algebraic expression?A. 8 + n – 6 B. 6n + 8 C. (n – 6) + 8 D. 8(n – 6)3. Which English phrase translates 2𝑛5 - 3?A. twice the difference of a number and five less threeB. twice the difference of a number and three divided by fiveC. the quotient of twice a number and five diminished by threeD. the quotient of twice a number diminished by three and five4. How is 8n + 6 ≤ 4 written in English sentence?A. The product of eight and a number added by six is at most four.B. The product of eight and a number added by six is at least four.C. The product of eight and a number added by six is less than four.D. The product of eight and a number added by six is not equal to four.5. Translate “the quotient of thrice a number increased by ten and five is fewerthan sixteen” into mathematical sentence.A. 3𝑛+105 = 16 B. 3(𝑛+10)5 = 16 C. 3𝑛+105 < 16 D. 3𝑛+105 + 16POSTTESTType text here

Which expression is equivalent to 2(6b+9)?

what does it mean when you substitute fractions by adding numbers