What is the answer to x+7=12x-3-8x+1 ?

The answer to x+7=12x-3-8x+1 is x=3

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular >

x+7=12x-3-8x+1

x + 7 = 12 x - 3 - 8 x + 1

x = 3

Solution steps

x + 7 = 12 x - 3 - 8 x + 1

Group like terms

x + 7 = 12 x - 8 x - 3 + 1

Add similar elements:

12 x - 8 x = 4 x

x + 7 = 4 x - 3 + 1

Add/Subtract the numbers:

- 3 + 1 = - 2

x + 7 = 4 x - 2

Move

7

to the right side

x = 4 x - 9

Move

4 x

to the left side

- 3 x = - 9

Divide both sides by

- 3

x = 3

\frac{( 5 W + 7 )}{2} - \frac{( W + 4 )}{5} = 1 - \frac{( 3 - W )}{4}

- 9 x + 8 + 7 x = - 6 x + 5 - 4 x

\frac{y}{2} - \frac{y - 4}{5} = \frac{23}{10}

7 b + 19 = - 2 (b - 7)

- \frac{- 7 + 97}{2} = \frac{7 - 97}{2}