dada a equacao 6x+(8+ x ) =9x+76 respondao logo
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6x +(8 +x) = 9x + 76
6x +x + 8 = 9x + 76
7x - 9x = 76 - 8
-2x = 68
x = -34
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06/10/2016
Sepauto
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6x +x + 8 = 9x + 76
7x - 9x = 76 - 8
-2x = 68
x = -34
*-*-*-*-*-*-*-*-*-*-*-*
06/10/2016
Sepauto
*-*-*-*-*-*-*-*-*-*-*-*
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