Ответ:\(0.5(x+4)-(5-3.6x)=0.5x+2-5+3.6x=4.1x-3\).\(-2(-0.2c+1)+3(-4c-4)=0.4c-2-12c-12=-11.6c-14\).\(3x(-1.2-c)-(8.7x+2)=-3.6x-3xc-8.7x-2=-12.3x-3xc-2\).\(-x(-6+c)-6x+xc=6x-xc-6x+xc=0\).