Ответ:Решение:\( x + 27 = 64 \)\( x = 64 - 27 \)\( x = 37 \)\( a - 36 = 18 \)\( a = 18 + 36 \)\( a = 54 \)\( 81 - c = 67 \)\( c = 81 - 67 \)\( c = 14 \)Ответ: x = 37, a = 54, c = 14.