1)(134545-х)+23=98
134545-x+23=98
134568-x=98
-x=98-134568
-x=-134470
x=134470
2)2002+х×5=46022
2002+5x=46022
5x=46022-2002
5x=44020
x=8804
3) (x+54) :7=700
x+54=4900
x=4900-54
x=4846
4) 34000+х×1000=76000
34000+1000x=76000
1000x=76000-34000
1000x=42000
x=42
1)(134545-х)+23=98
134545-x+23=98
134568-x=98
-x=98-134568
-x=-134470
x=134470
2)2002+х×5=46022
2002+5x=46022
5x=46022-2002
5x=44020
x=8804
3) (x+54) :7=700
x+54=4900
x=4900-54
x=4846
4) 34000+х×1000=76000
34000+1000x=76000
1000x=76000-34000
1000x=42000
x=42