Question

quanto é(-4x)+(+6x)+(+11x)+(-12x)?

Answer 1

(-4x)+(6x)+(+11x)+(-12x)
(-16x)+(+17x)
+X

Answer 2

(-4 x) + (+6 x) + (+11 x) + ( - 12 x ) =
2 x + 11 x - 12 x = 
13 x - 12 x = 1 x