Question

решите уравнение x + ( x - 3 ) + (x - 29 ) + ( x - 27 ) = 77

Answer 1

х+(х-3)+(х-29)+(х-27)=77
х+х-3+х-29+х-27=77
4х-59=77
4х=77+59
4х=136
х=136/4
х=34