+x/3=24
=> x+ x*1/3 =24
=> x*1 +x *1/3=24
=> x* (1+1/3) =24
=> x* 4/3 =24
=> x= 24 :4/3
=> x= 24 * 3/4
=> x=18
tìm x, biết x + x/3 =24
x +x/3=24
=> x+ x*1/3 =24
=> x*1 +x *1/3=24
=> x* (1+1/3) =24
=> x* 4/3 =24
=> x= 24 :4/3
=> x= 24 * 3/4
=> x=18
nhé !
18 đúng 1000000000000000000000000000000000000000000000000000000000 phần trăm