Question

(х+4)/2+(7х-5)/5-(8-х)/10=1

Answer 1

$frac{x + 4}{2} + frac{7x - 5}{5} - frac{8 - x}{10} = 1 | * 10\\ 5(x + 4) + 2(7x - 5) - 8 + x = 10\ \5x + 20 + 14x - 10 - 8 + x = 10\\20x = 8\\x = 2:5$