What is the answer to 7x+1+4x-3=42 ?

The answer to 7x+1+4x-3=42 is x=4

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular >

7x+1+4x-3=42

7 x + 1 + 4 x - 3 = 42

x = 4

Solution steps

7 x + 1 + 4 x - 3 = 42

Group like terms

7 x + 4 x + 1 - 3 = 42

Add similar elements:

7 x + 4 x = 11 x

11 x + 1 - 3 = 42

Add/Subtract the numbers:

1 - 3 = - 2

11 x - 2 = 42

Move

2

to the right side

11 x = 44

Divide both sides by

11

x = 4

\frac{4 x + 5}{3} = \frac{6 x + 5}{5}

4 x - 3 = 19

8 y = 5

\frac{8 t}{15} - \frac{t}{3} = 1

15 x - 2 + 7 x + 4 = 90