Answer: 2 and
Step-by-step explanation: equation 2:
3(3x+4)-5=9x-2
9x+12-5=9x-2
9x+7=9x+-2
Subtract both sides by 9x
7=-2
This Is not true therefore there is no solution
equation 3:
3(3x+4)-5=-3x+4
9x+12-5=-3x+4
9x+7=-3x+4
12x=-3
divide both parts by -3
x=-4