Question

tìm x biết x.35+12.35 =490

Answer 1

\(x\times35+12\times35=490\)

\(35\times\left(x+12\right)=490\)

\(x+12=490\div35\)

\(x+12=14\)

\(x=14-12\)

\(x=2\)

Answer 2

 

x.35+12.35 =490

35(x+12)=490

x+12=490:35

x+12=14

x=14-12

x=2