What is the answer to 5x-7+2x=4x+5 ?

The answer to 5x-7+2x=4x+5 is x=4

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular >

5x-7+2x=4x+5

5 x - 7 + 2 x = 4 x + 5

x = 4

Solution steps

5 x - 7 + 2 x = 4 x + 5

Group like terms

5 x + 2 x - 7 = 4 x + 5

Add similar elements:

5 x + 2 x = 7 x

7 x - 7 = 4 x + 5

Move

7

to the right side

7 x = 4 x + 12

Move

4 x

to the left side

3 x = 12

Divide both sides by

3

x = 4

y, 6 x - 3 y = 4

2 x = - 28

\frac{x}{8} + 2 (\frac{x}{2}) = 9

y, 5 x + 7 y = - 1

\frac{2 x + 12}{3} = \frac{10 x - 30}{15} + 1