Question

Write the following using algebraic notation, using the letter x for any unknown numbers:

I think of a number, subtract three then multiply by four

Answer 1

a) The algebraic notation is 4 ( x -3 ) = 4x -3

b) The algebraic notation is 2x +2

Explanation:

Explanation:-

a)

Let 'x' be the number

Given 'x' is a number, subtract three

⇒ x - 3 and multiply '4'

The result of algebraic is 4 ( x -3 ) = 4x -3

b)

Let 'x' be a number and add one

⇒ (x+1) and then double

∴ The algebraic notation is

(x+1 ) (2) = 2x +2