Resolva as equações a)2+1/x=4/x b)3/x-4/5x=1/10 c)3/2-x+2/3x=-11/6x
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Resposta:
a)2 + 1/x = 4/x
mmc= x
2x + 1 = 4
x = 4 -1/2
= 3/2
b)3/x -4/5x =1/10
3/x -x4/5x = 1 / 10
3. 5x - 4x / 5x² = 1/10
11 x / 5x² = 1/10
11/ 5x = 1/10
11 . 10 = 5x
x= 110 / 5
= 22
c) 3/2 -x + 2/3x = -11/6x
9 -6x +4x -11x
11x -6x +4x = -9
9x = -9
x = -9 / 9
x = -1
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