Respuesta:
1=x-7
2=x+7
3=3x
4-6+x
5=x/2
6=x/3
7=5x
8=40-x
9=x-6
10=2x
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Respuesta:
1=x-7
2=x+7
3=3x
4-6+x
5=x/2
6=x/3
7=5x
8=40-x
9=x-6
10=2x