160x+560=-160(3x-1)
160x+560=-160(3x-1),160х +560 = - 480х +160, 160х + 480х = 160 - 560, 640х = - 400 х = ( - 400): 640 х = - 5/8 х= - 0,625
160x+560=160-480x 640x=-400 80*8x=80*(-5) 8x=-5 x= -5/8