Question

x+6/4 - 5x-4/8 + x-4/5=0

Answer 1

$\frac{x + 6}{4} - \frac{5x - 4}{8} + \frac{x - 4}{5} = 0 \\ \frac{10(x + 6) - 5(5x - 4) + 8(x - 4)}{40} = 0 \\ \frac{10x + 60 - 25x + 20 + 8x - 32}{40} = 0 \\ \frac{ - 7x + 48}{40} = 0 \\ - 7x + 48 = 0 \\ x = \frac{ - 48}{ - 7} = \frac{48}{7}$