Question

[(4x+28).3+55] :5= 35

Answer 1

kết quả là-11

Answer 2

x=3 nha ban :))))))))))

t i c k nha

Answer 3

mik tính đc 11 bn nha 

Answer 4

\(\left[\left(4x+28\right).3+55\right]:5=35\)

\(\Leftrightarrow\left(4x+28\right).3+55=175\)

\(\Leftrightarrow\left(4x+28\right).3=120\)

\(\Leftrightarrow4x+28=40\)

\(\Leftrightarrow4x=12\)

\(\Leftrightarrow x=3\)

#H

Answer 5

      \(\left[\left(4x+28\right).3+55\right]:5=35\)

\(\Leftrightarrow\left(4x+28\right).3+55=35.5\)

\(\Leftrightarrow\left(4x+28\right).3+55=175\)

\(\Leftrightarrow\left(4x+28\right).3=175-55\)

\(\Leftrightarrow\left(4x+28\right).3=120\)

\(\Leftrightarrow4x+28=120:3\)

\(\Leftrightarrow4x+28=40\)

\(\Leftrightarrow4x=12\)

\(\Leftrightarrow x=12:4\)

\(\Leftrightarrow x=3\)

Vậy \(x=3\)

Answer 6

x = 3 nha bạn