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10 - 5 = x + 3
5 = x + 3
5 - 3 = x
2 = x
4x - 5 =
4 * 2 - 5
8 - 5 =
3
Respuesta.
3
5=x+3
5-3=x
2=x
4x-5
4(2)-5
8-5
3
Respueta : 3