Question

Tim X 

(4x - 3) – ( x + 5) = 3(10 - x)

help me plss

 

Answer 1

 

Answer 2

3

Vậy 3

Answer 3

Lời giải:

$(4x-3)-(x+5)=3(10-x)$

$4x-3-x-5=30-3x$

$3x-8=30-3x$

$3x+3x=30+8$

$6x=38$

$x=\frac{38}{6}=\frac{19}{3}$

Answer 4

Ta có: 4x-3-(x+5)=3(10-x)

\(\Leftrightarrow4x-3-x-5=30-3x\)

\(\Leftrightarrow3x-8=30-3x\)

\(\Leftrightarrow6x=38\)

hay \(x=\dfrac{19}{3}\)