4 есеп теңдеулерді шығар
1) 35+23+x=100 58+ x=100 X=100-58 X=42 2)70-a=8+9+2 70-a=19 A=70-19 A=51 3)a+(45-30)=75 A+5=75 A=75-5 A=70 4)x-(23+17)=60 X-40=60 X=60-40 X=20 5)(30-15)+y=80 15+y=80 y=80-15 y=65 6)x+12=50-(15+5) X+12=30 X=30-12 X=18