x - 12 = 20
x = 20 + 12
x = 32
Tk cho mk nha !!!
x-12=20
x =20+12
x =32
tk nha
x - 12 = 20
x= 20 + 12
x = 32
x - 12 = 20
x = 20 + 12
x = 32
k mjk nha các bn (^ - ^)
x - 12 = 20
x = 20 + 12
x = 32
x-12=20
\(\Rightarrow\)x=20+12
\(\Rightarrow\) x=32
vậy x=32