Ответ:

(134545 + х) + 23 = 98;

134568 + х = 98;

Х=134568-98;

Х=134470;

2002 + х * 5=46022;

5х=46022-2002;

5х=44020;

Х=44020:5;

Х=8804;

(х+52):7=700;

Х+52=700*7;

Х+52=4900;

Х=4900-52;

Х=4848;

34000+х*1000=76000

1000х=76000-34000;

1000х=42000;

Х=42000:1000;

Х=42;