What is the answer to 2.8+3.2x+1=16.6 ?

The answer to 2.8+3.2x+1=16.6 is x=4

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular >

2.8+3.2x+1=16.6

2.8 + 3.2 x + 1 = 16.6

x = 4

Solution steps

2.8 + 3.2 x + 1 = 16.6

Group like terms

3.2 x + 2.8 + 1 = 16.6

Add the numbers:

2.8 + 1 = 3.8

3.2 x + 3.8 = 16.6

Multiply both sides by

10

32 x + 38 = 166

Move

38

to the right side

32 x = 128

Divide both sides by

32

x = 4

∣ 3 x + 2 ∣ \geq 4

\frac{x + 4}{x + 7} < 2

∣ 5 x - 5 ∣ < 15

- 6 x + 37 > 7

- 9 x > 4