Question

cuanto es 5x-2x mas 1 = x -11

Answer 1

5x-2x+1=x-11
3x+1=x-11
2x=-12
x=-6

Answer 2

5x - 2x + 1 = x - 11

5x - 2x - x = -11 - 1

2x = -12

x = -12/2

x = -6

Solución : 

x = -6