2a-6a+9-4a+9
6a + 9; a = 36a + 9= 6(3) + 9= 18 + 9= 27
6a+9
a + 6a - 9 = 30 7a - 9 = 30 7a = 30 + 9 7a = 39 a = 39/7 a = 5.571 (to 3 decimal places only).
usually 3rd or 4th grade.
You will get a B grade in GCSE.
9:30
it roughly about 6a and 6b
2a-6a+9-4a+9
In my opinion, 69% is never a good grade. In my school that is a F.
8th grade is year 9
6a + 9; a = 36a + 9= 6(3) + 9= 18 + 9= 27
6a+9
9 year olds are usually in 3rd or 4th grade (since normally you turn 9 sometime during 3rd grade or the summer after it, and then are 9 when you begin 4th grade).
a + 6a - 9 = 30 7a - 9 = 30 7a = 30 + 9 7a = 39 a = 39/7 a = 5.571 (to 3 decimal places only).
5a-20+2a = 6a-11 5a+2a-6a = 20-11 1a = 9 a = 9
grade 4 usually