3(x - 1) - 5x = 1 - 7(2 + x)
3x - 3 - 5x = 1 - 14 + 7x
3x - 5x = -2x
-2x - 3 = 1 - 14 + 7x
1 - 14 = -13
-2x - 3 = -13 + 7x
+3 | +3 + 7x
-2x | -10 + 7x
2 | 2
x = -10 + 4.5x
4.5 rounded is 5.
x = -10 + 5x
-10/5 = -2
x = -2
Let me know if this is the correct answer. :)