Ответ:Решение:\( 180 - x = 100 \)\( x = 180 - 100 \)\( x = 80 \)\( x - 17 = 40 \)\( x = 40 + 17 \)\( x = 57 \)\( x + 24 = 50 \)\( x = 50 - 24 \)\( x = 26 \)Ответ: x = 80; x = 57; x = 26.