a2-8a plus 12, if done correctly according to calculus, results in the number 2.
x2+7x+12
a= -0.8
It is: 12-8+5 = 9
12 + 5 equals...
If n + 7 = 12, then n = 12 - 7
4x3=12
-0.5
-12=m+4 -16=m
-3
3n+12=Answers may vary.
7x = 3x - 12 4x=-12 x=-3
3x + 2y = 12 ie 2y = 12 - 3x so y = 6 - 3x/2