Pre Algebra Help Free Website

Introduction to pre algebra help free website:

Pre algebra is a branch of mathematics. Pre algebra plays an important role in our day to day life. Websitesfor free pre algebra hlep cover the four basic operations in algebra such as addition, subtraction, multiplication and division. The most important terms of algebra, variables, constant, coefficients, exponents, terms and expressions are website for free pre algebra help We will know the symbols and alphabets in the place unknown values by websites for free pre algebra help. Hence, students can get websites for pre algebra help.

Example Problems to Pre Algebra Help Free Website:

Example 1:

Solve the equation for x, 55x + 57 = 88

Solution:

55x + 57 = 88 (add -57 on both sides)

55x + 57 57 = 88 57

55x = 31 (divide both terms by 55)

'(55x)/55' = '31/55'

x = .56

Example 2:

Solve the equation for x, 5(5x - 58) = 59.

Solution:

5(5x - 58) = 59 (multiply 5 within the parenthesis)

(5 'xx' 5x) (5 'xx' 58) = 59

25x 290 = 59 (add both sides by 290)

25x - 290 + 290 = 59 + 290

25x = 349 (divide both side by 25)

'(25x)/ 25' = '349/25'

x = 13.96

Example 3:

Solve the equation for x, '(5x-55)/5' = 57 .

Solution:

'(5x -55)/5' = 57 (multiply both sides by 5)

'(5x-55)/5' 'xx' 5= 57 5

5x 55= 275 (add both sides by 55)

5x 55+ 55= 275 + 55

5x = 330 (divide both sides by 5)

'(5x)/5' = '330/5'

x = 66

Example 5:

Solve the equation 5x - 55 = 57 for x.

Solution:

5x - 55 = 57 (add both sides by 55)

5x 55 + 55 = 57 + 55

5x = 112 (add both sides by 5)

'(5x)/5' = '112/5'

x = 22.4

Example 5:

Solve the equation 5x 56 = 59 for x.

Solution:

5x 56 = 59 (add both sides by 56)

5x 56 + 56 = 59 + 56

5x = 115 (divide both sides by 5)

'(5x)/5' = '115/5'

x = 23

Practice Problems to Pre Algebra Help Free Website:

Problem 1:

Solve the equation for x, 5x + 59 = 64.

The answer is x = 1

Problem 2:

Solve the equation for x, 3x - 57 = 55

The answer is x = 37.33

Problem 3:

Solve the equation for x, 4x - 56 = 56

The answer is x = 28

Problem 4:

Solve the equation for x, 3x + 59 = 56

The answer is x = -1

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Problem 5:

Solve the equation for x, 4x + 58 = 50

The answer is x = -2

by: Smith

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