EQUAÇÕES DO PRIMEIRO GRAU-TERCEIRA PARTE

1. 2 – 5.( x + 2 ) = 14 – x
2. 4x = 3 – ( x + 5 )
3. 3.( x + 7 ) – 5.x = 17
4. 3.( 2.x + 1 ) = 7   
5. 3 – ( x + 4 )=14 + 2x
6. 3 – ( 3x – 6 ) = 2x + ( 4 – x )
7. 4 . ( x – 2 ) = 4 + 2 . ( x – 1 )
8. 7 x – 3. ( x – 2 ) = 3 . ( x + 4 )
9. 2 – 2 . ( 2x – 1)  = 7x
10.   5 – ( x + 1 ) = 7 + 2x
11. 3 . ( x + 2 ) = 15
12. 2.( x – 1 ) – 7 = 16
13. 7.( x – 2 ) = 5 . ( x – 2 )
14. 2.( x – 5 ) + 4 . ( x – 1 ) = 0
15. 3.( x – 1 ) - 5 . ( 2x – 4 ) = 1