4a + 1 - a =19, rewrite your question, 4a + -a + 1 =19, 3a + 1 =19, subtract 1 from each side
3a = 18, divide by 3, a =6
Chat with our AI personalities
The Answer is 4a so you are asking why it is 4a. So just take an a and think it as 1a boom
6-3a**2+7+4a-5a+18 3a**2-1a+31
4a+5=25 4a=25-5 4a=20 a=20/4 a=5
4a + a = 25 add 4a and a 5a = 25 then divide 25 by 5 a = 5
a=-12