Respuesta:
-2*(x-2)+1= -7
-2x + 4 + 1 = -7
-2x + 5 = -7
+7 + 5 = 2x
12 = 2x
6 = x
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Respuesta:
-2*(x-2)+1= -7
-2x + 4 + 1 = -7
-2x + 5 = -7
+7 + 5 = 2x
12 = 2x
6 = x