Question 55468
f(x)=6x+3
6x+3=0
6x+3-3=0-3
6x=-3
6x/6=-3/6
x=-3/6
x=-1/2
.
Check by plugging (x=-1/2) back into the original equation:
6x+3=0
6(-1/2)+3=0
-3+3=0
0=0 [checks out]