10a + 3a - 4a = 9a
If you mean: 4a +29 -3a -a +3a then it simplifies to 29 +3a
The GCF is 2a.
4a + 3a = (4 + 3)a = 7a
Add them together: 3a+4a-a = 6a
4a+3a-4 = 10 4a+3a = 10+4 7a = 14 a = 2
"a" plus "3a" is equal to 4a. (3a+a=4a). You already have 3 "a's" and then you add another "a."
If all the variables are the same, you just add (algebraically add) the numbers. For example: 3a + 4a = 7a 2a - 10a = -8a
12a + a - 3a = 10a
Oh, dude, it's like math time! So, when you add 3a and 7a together, you get 10a. It's like combining the apples and oranges of algebra. So, the simplified answer is just 10a. Easy peasy, lemon squeezy!
2a
-7a + 3a = -4a