x*45 = 65- 20= 45
x = 45/45= 1
Vậy x=1
x * 45 = 65 - 20 = 45
x = 45 : 45
x = 1
Vậy x = 1
ai k mk mk k lại
=> x*45 = 65-20
=>x*45 = 45 => x = 45/45 =1
\(x\)x 45 + 20 = 65
\(x\)x 45 = 65 - 20
\(x\) x 45 = 45
\(x\) = 45 : 45
\(x\)= 1
X45 + 20 = 65
X45 = 65 - 20
X45 = 45
X = 45 : 45
X = 1