To simplify the expression given, we need to apply the distributive property first and then combine like terms.
4(3a+1) - (5+2a) - 3(a-1)
= 12a + 4 - 5 - 2a - 3a + 3
= (12a - 2a - 3a) + (4 - 5 + 3)
= 7a + 2
Therefore, the simplified expression is 7a + 2.
To simplify the expression given, we need to apply the distributive property first and then combine like terms.
4(3a+1) - (5+2a) - 3(a-1)
= 12a + 4 - 5 - 2a - 3a + 3
= (12a - 2a - 3a) + (4 - 5 + 3)
= 7a + 2
Therefore, the simplified expression is 7a + 2.