Numerical Variable

In mathematics the conception of a variable express the one quantity (the argument of the function also known as input) that determines the output. A function gives a unique value to each input of a specified type. A symbol is represented by a number is called variable. It is also called as numerical variable. We use letters for variables such as x, y, z, n, t.
Example for Numerical Variable:

Problem for numerical variable:1

Solve 5x + 3x = 4

Solution:

Given that 5x + 3x = 4

Add the two variables 5x and 3x is 5x + 3x = 8x

8x = 4

Take the 8 into after the equals

X = `4 / 8`

Divide the minimize the fraction `4 / 8` = `1 / 2`

So the answer will be x = `1 / 2` .

Problem for numerical variable: 2

Solve 19x – x + 2x = 19

Solution:

Given that 19x – x + 2x = 19

Subtract the 19x – x = 18x

18x + 2x = 19

20x = 19

Take the 20 to after the equals that will become `19 / 20`

x = `19 / 20` .

The answer will be   `19 / 20` .
Example for Numerical Variable:

I am planning to write more post on fourier transform, and real numbers. Keep checking my blog.

Problem for numerical variable:3

Solve 15x + 21x – 2x – 5 + 18 – x = 0

Solution:

15x + 21x – 2x – 5 + 18 – x = 0

Add the positive and negative symbols from the given equation

36x – 3x – 5 + 18 = 0

Subtract the variable 36x – 3x = 33x

Subtract the numerals -5 + 18 = 13

The equation will be 33x = 13

Take the 33 to after the equals x = 13 / 33

The solution will be x = 13 / 33

Problem for numerical variable :4

Solve x + 2x + x – 2x – 11 = 0

Solution:

Given that x + 2x + x – 2x – 11 = 0

Add the given variables x + 2x + x = 4x

4x – 2x – 11 = 0

Subtract the variable 4x -2x = 2x

2x – 11 = 0

Take the -11 into after the equal that will become +11

2x = 11

Take the 2 into after the equal

x = `11 / 2`

The answer will be 5.5.

Problem for numerical variable 5:

Solve -15x – 3x +2x – 4 = 0

Solution:

Given that -15x – 3x +2x – 4 = 0

Add the given variables – 15x – 3x = - 18x

- 18x + 2x – 4 = 0

Subtract the variable -18x + 2x = - 16x

- 16x – 4 = 0

Take the -4 to after the equals

-16x = 4

Take the – 16 to after the equals

-x = `4 / 16`

Minimize the fraction  - `4 / 16` to – `1 / 4`

x = – `1 / 4`

The answer will be – `1/ 4` .