Me ajudem trabalho pra hoje. (com a conta junto) 1) Resolva as seguintes equações , sendo U = Q :
a)3 x - 7 = 2 x + 5               b) 7 x + 8 = 4 x - 10
c)4 x - 15 = -2 x + 13          d) 2 x - 4 - 8 = 4x
e)3 x = x + 1 + 7                  f)360 + 36 x = 30 x

2) Resolva as equações , sendo U = Q
2 x + 5 - 5 = - 1
5 + 6 x = 5 x + 2
x + 2 x - 1 - 3 = x 
- 3 x + 10 = 2 x + 8 + 1
5 x - 5 + x = 9 + x
7 x - 4 - x = 7 x + 6 x + 15
- x - 5 + 4 x = - 7 x + 6 x + 15
3 x - 2 x = 3 x + 2
2 - 4 x = 32 - 18 x + 12
2 x - 1 = - 3 + x + 4
3 x - 2 - 2 x = 2 - 3 x
4 x - 4 - 5 x = - 6 + 90
2 - 3 x = - 2 x + 12 - 3 x

3) Resolva as seguintes equações , sendo U = Q
7 (x - 5) = 3 ( x + 1 )
3 ( x - 2 ) = 4 ( - x + 3 )
2 ( x + 1 ) - ( x - 1 ) = 0
5 ( x + 1 ) - 3 ( x + 2 ) = 0
13 + 4 ( 2 x - 1 ) = 5 ( x + 2 )
4 ( x + 5 ) + 3 ( x + 5 ) = 21
2 ( x + 5 ) - 3 ( 5 - x ) = 10
8 ( x - 1 ) = 8 - 4 ( 2 x - 3 )
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