Ответ:
53-x=84/7
53-x=12
x=53-12
x=41
33+x=61-20
33+x=41
x=41-33
x=8
1)53 - x = 84/7
53 - x = 12
- x = 12 - 53
- x = - 41
х=41
2)33 + x = 51 - 20
33 + x = 31
x = 31 - 33
x = - 2
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Ответ:
53-x=84/7
53-x=12
x=53-12
x=41
33+x=61-20
33+x=41
x=41-33
x=8
Ответ:
1)53 - x = 84/7
53 - x = 12
- x = 12 - 53
- x = - 41
х=41
2)33 + x = 51 - 20
33 + x = 31
x = 31 - 33
x = - 2