Simplify 9+3(4a-7)-5a+6. 43a+78, 7a+6, 43a-78 or 7a-6
To simplify the expression 9 + 3(4a - 7) - 5a + 6, we can distribute the 3 to the terms inside the parentheses:
9 + 12a - 21 - 5a + 6
Combining like terms:
(12a - 5a) + (9 - 21 + 6)
7a + (-6)
Simplifying further, we have:
7a - 6
Therefore, the simplified expression is 7a - 6.