4 есеп теңдеулерді шығар

1) 35+23+x=10058+ x=100X=100-58X=422)70-a=8+9+270-a=19A=70-19A=513)a+(45-30)=75A+5=75A=75-5A=704)x-(23+17)=60X-40=60X=60-40X=205)(30-15)+y=8015+y=80y=80-15y=656)x+12=50-(15+5)X+12=30X=30-12X=18