Question

реши уравнение
х-635=196
х+209=695
х+(69+212)=705
х-517=219+125

Answer 1

x-635=196
X=635+196
x=831
x+209=695
x=695-209
x=486

x+(69+212)=705
x+ 281=705
x=705-281
x=424

x-517=219+125
x-517=344
x=517+344
x=861