\(\frac{10+x}{17+x}=\frac{3}{4}\)
=>4(10 + x )=3(17 + x)
=> 40+4x=51+3x
=>4x - 3x = 51 - 40
=>x = 11 => ủng hộ mk nhá
10+x/17+x=3/4
=>(10+x).4=(17+x).3
=>40+4x=51+3x
=>4x-3x=51-40
=>x=11
Vậy x=11
Theo máy tinh:-8,736111111111111111111111111111111111111111111111...
10+x/17+x=3/4
=>(10+x).4=(17+x).3
=>40+4x=51+3x
=>4x-3x=51-40
=>x=11
Vậy x=11
10+x/17+x=3/4
=>(10+x).4=(17+x).3
=>40+4x=51+3x
=>4x-3x=51-40
=>x=11
Vậy x=11