Find the equation of the line that has given slope and y-intercept.
1. m = 2 and b = 7
2. m = -3 and b = 10
3. m = 10 and b = -3
4. m = -7 and b = 11
5. m = 4 and b = -20
6. m = -12 and b = -8
7. m
= 6 and b = 6
8. m = -5 and b = -10
find the equation of the line with the given slope that passes through the given