(x- 2,5 ) x 1,2 = 6,216
(x - 2,5 ) = 6,216 / 1,2
x- 2,5 = 5,18
x = 5,18 + 2,5
x = 7,68
Vậy x = .....
\(\left(x-2,5\right)\times1,2=6,216\)
\(\Leftrightarrow x-2,5=6,216\div1,2\)
\(\Leftrightarrow x-2,5=5,18\)
\(\Leftrightarrow x=5,18+2,5\)
\(\Leftrightarrow x=7,68\)
\(\text{Vậy }x=7,68\)
x-2,5=6,216/1,2
x= 6,216/1,2+2,5
x=7,68
⇔x−2,5=6,216÷1,2
⇔x−2,5=5,18
⇔x=5,18+2,5
⇔x=7,68