0
Anonymous
2a 4 is the same as saying 2*a*4, so if you plug 2 in for a, this equals 16
Wiki User
Chat with our AI personalities
4
-2a + 5 = 1 -2a = -5 + 1 -2a = -4 a = -4/-2 a = 2
-2a - 4 = -16.8 -2a = -12.8 a = -12.8/-2 a = 6.4
a = 4
12a + 4 - 10a = 2a + 4 or 2*(a + 2)