Respuesta :

5x-3x+2x-8x=-5+14+7
-4x=16
x=-4
5x+5-3x=14-2x+7+8x -8x -8x ------------------------------ -3x+5-3x=14-2x+7 -5 -5 ------------------------------- -3x-3x=14-2x+2 -6x=16-2x ---------------------- -6x=16-2x +2x +2x ---------------------- -4x=16 --- --- -4 -4 x= -4