(x+12)=24×5
9x+108=120
9x=120−108
9x=12
x=12÷9
x = \frac{12}{9} = \frac{4}{3} = 1 \frac{1}{3}x=
9
12
=
3
4
=1
1
(x+12)=24×5
9x+108=120
9x=120−108
9x=12
x=12÷9
x = \frac{12}{9} = \frac{4}{3} = 1 \frac{1}{3}x=
9
12
=
3
4
=1
3
1