Question

Giúp mk với ạ, mk vote 5 sao

Answer 1

\(\dfrac{x-2}{4}=\dfrac{5+x}{3}\)

⇒3.(x+2)=4.(5+x)

3x+6=20+x

3x+6-x=20

2x+6=20

2x=14

x=7

Answer 2

Answer 3

mik nhầm xíu

\(\dfrac{x-2}{4}=\dfrac{5+x}{3}\)

⇒3.(x-2)=4.(5+x)

3x-6=20+x

3x-6-x=20

2x-6=20

2x=26

x=13