Решите пж (m+150)-50 (150+m)-50 168-(x+47)
= m + 150 - 50 = m + 100 = 150 + m - 50 = 100 + m = 168 - x - 47 = 121 - x
Спасибо
(m+150)-50 = m+150-50 = m+100 (150+m)-50 = 150+m-50 = m+100 168-(x+47) = 168-x-47 = 121-x