Answer:
check attached documents for answer
Step-by-step explanation:
9. Just input the values for x in the equations( check attached)
10. when x = 1
expression 12x -6 = 6
3x + 3 = 6
6(2x-1) = 6
when x = 2
expr 12x - 6 = 18
6(2x-1) = 18
when x = 3
exp, 12x -6 = 30
6(2x-1) = 30
