Помогите найти корень уравнения .
1)0.9x-0.6(x-3)=2(0.2x-1.3) 0.9x-0.6x+1.8=0.4x-2.6 0.9x-0.6x-0.4x=-2.6-1.8 -0.1x=-4.4 x=44 2)-0.4(3x-1)+8(0.8x-0.3)=5-(3.8x+4) -1.2x+0.4+6.4x-2.4=5-3.8x-4 1.2x+6.4x+3.8x=5-4-0.4+2.4 9x=3 x=3/9 x=1/3