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Souza216
@Souza216
December 2019
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1*) Resolva as equações :
a) 4 x - 8 = 2 x + 6
b) 5 ( x - 2 ) = 4 - ( - 2 x + 1 )
c) x + x / 2 = 12
d) Determine a solução : x / x + 2 + x + 2 / x = 2
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lorena3846
1)a) 4x - 2x = 6 + 8 b) 5x - 10 = 8x - 4 c) 2x = 12/2
2x = 14 5x - 8x = -4 + 10 2x = 6
x = 14/2 -3x . (-1) = 6 x = 6/2
x = 7 x = 6/3 x = 3
x = 2
d) 2x + 2x = 2 - 2
4x = 0
x = 0/4
x = 0
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2x = 14 5x - 8x = -4 + 10 2x = 6
x = 14/2 -3x . (-1) = 6 x = 6/2
x = 7 x = 6/3 x = 3
x = 2
d) 2x + 2x = 2 - 2
4x = 0
x = 0/4
x = 0