a)(x-140):35=270
(x-140)=270:35=54/7
x=54/7+140=1034/7
a) \(\left(x-140\right):35=270\)
<=> \(x-140=9450\)
<=> \(x=9590\)
Vậy....
b) \(\left(x+200\right):4=460+85.4\)
<=> \(\left(x+200\right):4=800\)
<=> \(x+200=3200\)
<=> \(x=3000\)
a)9590 b)3000 c)1.5 d)23 e)13 h)5044