Solve: x−43+2x−335=5x−329−x+928.
19
x−43+2x−335=5x−329−x+928
Multiplying throughout by 9, we have
3x−12+18x−2735=5x−32−9x+8128
Transposing, 18x−2735+9x+8128=2x−20
Now clear of fractions by multiplying by 5×7×4 = 140.
Thus, 72x–108+45x+405=280x–2800
∴ 2800–108+405=280x–72x–45x
∴ 3097=163x
∴ x=19.