The teacher will be very surprised to see your correct solution 😉
-x - 2 + 3*(x - 3) - 3 = 3*(4 - x) - 3
-x-2+3*(x-3)-3 = 3*(4-x)-3
-x-2+3*x-3*3-3 = 3*(4-x)-3
-x-2+3*x-3*3-3 = 3*4-3*x-3
-14 + 2*x = 3*4-3*x-3
-14 + 2*x = 9 - 3*x
x = 23 / (5)
sum
0 + 23/5
=
23/5
product
1*23/5
=
23/5
23/5