6a + 9 = ?
a = 7
just replace a with 7
6(7) + 9
order of operations; multiply first
42 + 9
= 51
a + 6a - 9 = 30 7a - 9 = 30 7a = 30 + 9 7a = 39 a = 39/7 a = 5.571 (to 3 decimal places only).
6a + 9; a = 36a + 9= 6(3) + 9= 18 + 9= 27
It is 9
(4, 3)
5a-20+2a = 6a-11 5a+2a-6a = 20-11 1a = 9 a = 9
2a-6a+9-4a+9
96
the answer
13a - 6 + a = 5a + 3 + 3a 13a + a - 5a - 3a = 3 + 6 6a = 9 6a/6 = 9/6 a = 3/2
If I am correct, 9 plus 7 equals 112.
Y+7=9 equals 2+7=9.
6a+9