3. Twice the difference of a number and three is the sum of that number and four.
4. Three times a number is two times the difference of that number and one

Respuesta :

Expression for the first part is 2(x - 3) = x + 4, and for the second part is 3x = 2(x - 1).

What is an expression?

It is defined as the combination of constants and variables with mathematical operators.

It is given that:

3. Twice the difference of a number and three is the sum of that number and four.

Mathematically,

The expression can be written as:

Let the number is x:

2(x - 3) = x + 4

4. Three times a number is two times the difference of that number and one:

The expression can be written as:

Let the number is y:

3x = 2(x - 1)

The expression for the first part is 2(x - 3) = x + 4, and for the second part is 3x = 2(x - 1).

Learn more about the expression here:

brainly.com/question/14083225

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