What is the (-0.4(3x-2)+(2x+4))/3 ,x=4 ?

The (-0.4(3x-2)+(2x+4))/3 ,x=4 is 2.66666…

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Evaluate Using the Given Value -0.4(3x-2)+(2x+4)/3 for x=4

\frac{- 0.4 ( 3 x - 2 ) + ( 2 x + 4 )}{3}, x = 4

2.66666 \dots

Solution steps

For

\frac{- 0.4 ( 3 x - 2 ) + ( 2 x + 4 )}{3}

substitute

x

with

4

= \frac{- 0.4 ( 3 \cdot 4 - 2 ) + 2 \cdot 4 + 4}{3}

Expand

\frac{- 0.4 ( 3 \cdot 4 - 2 ) + 2 \cdot 4 + 4}{3} : 2.66666 \dots

= 2.66666 \dots

What is the (-0.4(3x-2)+(2x+4))/3 ,x=4 ?
The (-0.4(3x-2)+(2x+4))/3 ,x=4 is 2.66666…