2∕3(468-x)-2∕3x=20
2/3×468-2/3x-2/3x=20
312-4/3x=20
4/3x=292
x=292÷4/3
x=219
96÷2=4∕5x+2∕3(48-x)
48=4/5x+2/3×48-2/3x
48=4/5x-2/3x+32
16=12/15x-10/15x
2/15x=16
x=120
80%x-14+30=x30
0.8x+16=30x
29.2x=16
x=40/73
2∕3(468-x)-2∕3x=20
2/3×468-2/3x-2/3x=20
312-4/3x=20
4/3x=292
x=292÷4/3
x=219
96÷2=4∕5x+2∕3(48-x)
48=4/5x+2/3×48-2/3x
48=4/5x-2/3x+32
16=12/15x-10/15x
2/15x=16
x=120
80%x-14+30=x30
0.8x+16=30x
29.2x=16
x=40/73