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1. 85:Х=17
2. В*27=459
3. (Х+74)-91=35
4. 54-(Х-19)=38
5. Х-479=164
6. 62-(х-23)=34
7. (х+83)-92+45
8. Х*43=2451
1. 85:Х=17
2. В*27=459
3. (Х+74)-91=35
4. 54-(Х-19)=38
5. Х-479=164
6. 62-(х-23)=34
7. (х+83)-92+45
8. Х*43=2451
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Verified answer
85:х=17х=85/17
х=5
_____
в*27=459
в=459/27
в=17
______
(х+74)-91=35
х+74=91+35
х+74=126
х=126-74=52
_____
54-(х-19)=38
х-19=54-38
х-19=16
х=19+16
х=35
____
х-479=164
х=479+164
х=643
____
62-(х-23)=34
х-23=62-34
х-23=28
х=28+23
х=51
____
(х+83)-92=45
х+83=92+45
х+83=137
х=137-83
х=54
____
х*43=2451
х=2451/43
х=57
Verified answer
1.85:x=17
x=85:17
x=5
2.
B*27=459
B=459:27
B=17
3.
(x+74)-91=35
x+74-91=35
x-17=35
x=35+17
x =52
4.
54-(Х-19)=38
73-x=38
-x=38-73
-x=-35
x=35
5.
Х-479=164
x=479+164
x=634
6.
62-(х-23)=34
85-x=34
-x=34-85
-x=-51
x=51
7.
(х+83)-92=45
x+83-92=45
x -9=45
x=45+9
x=54
8.
Х*43=2451
43x=2451
x=2451:43
x=57