Решите неравенство: 2x+7<5(2-x)+4

В каком случае у мужчины-дальтоника может быть внук-дальтоник.

Только не в письменном виде,а решение. Пожалуйста) 

Проверти пожалуйста,правильна написала?)))))если есть ошибки исправляйте)

Life is a mystery; it dodges at every corner but still there are some moments which take us out of its worries, your birthday is a great source of happiness for all of us. Wish you a special birthday and thanks to keep us together. On your birthday today, most people will wish that you earn lots of money, but I wish you wealth. Most people will wish you fun times but I wish you healthy times. Most people will wish you delight but I wish you pure joy. Most people will wish you many friends, but I wish that we always stay together. Happy Birthday! Life is a journey and birthday is its beginning. As birthday comes every year, it provides an opportunity to start a life with a better passion. Wishing you great moments and a life full of fun specially on this Birthday. I wish you the happiest moments of life on your birthday. May you always enjoy your life. Wishing you fantastic people and friends like us on this Birthday.

найти корень каждого уравнения,уменьшив каждую часть на соответствующее число:       х+ 681=921;   х+8105=13400.

найти корень каждого уравнения, увеличив каждую часть на соответствующее число:        х-744=551;   х-6292=722