Answer:
x = -X OR x = 0
Step-by-step explanation:
I don't know if the capital 'X' was a different variable, so I did both calculations.
2(x - 3) + 9 = 3(x + 1) + X
= 2x - 6 + 9 = 3x + 3 + X
= 2x + 3 = X + 3x + 3
= -x = X
= x = -X
2(x - 3) + 9 = 3(x + 1) + x
= 2x - 6 + 9 = 3x + 3 + x
= 2x + 3 = 4x + 3
= -2x = 0
= x = 0