Ответ:
1)Х-8=56
х=56+8
х=64
2)48:х=6
48:x=6, x≠0
48/x=6
48=6x
6x=48
x=8,x≠0
x=8
3)32+7+x=81
39+x=81
x=81-39
x=42
4)8.x+15=79
8x=79-15
8x=64
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Verified answer
Ответ:
1)Х-8=56
х=56+8
х=64
2)48:х=6
48:x=6, x≠0
48/x=6
48=6x
6x=48
x=8,x≠0
x=8
3)32+7+x=81
39+x=81
x=81-39
x=42
4)8.x+15=79
8x=79-15
8x=64
x=8