Question

3. Tìm x:a

)2+x=13/2.

b)x:3/4=4/5 x=......

Giúp mik vs nha mik cần gấp ạ 🥺🥺🥺

Answer 1

\(a,x=\dfrac{13}{2}-2\\ x=\dfrac{9}{2}\\ b,x=\dfrac{4}{5}\times\dfrac{3}{4}\\ x=\dfrac{12}{20}=\dfrac{3}{5}\)