6 х+1= - 4 х !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
6x+1=-4x 6x+4x=-1 10x=-1 x=-1/10 x=-0.1
6 х+1= - 4 х ⇒ 6 х + 4 x = - 1 ⇒ 10x = - 1 ⇒ x = - 1/10