10
4a + 2 = Answer let a = 2 then Answer equals 4(2) + 2 = 8 + 2 = 10.
4a + 2 = 4(6) + 2 = 24 + 2 = 26
a= -4
4a+3a-4 = 10 4a+3a = 10+4 7a = 14 a = 2
9a + 4a = 26 13a = 26 a = 26/13 a = 2
555
so 5a = -20 making a = -4
It is an equation in the single unknown variable, a. a = -4
It can do, for the right value of A
-1
4a+3-a =12 4a-a = 12-3 3a = 9 a = 3
5