Решите пж 9-2(3-4х)=-2х+1
9 -6 +8x +2x -1 =0 2 +8x =0 8x = -2 x = -2/8 x = -1/4 x = -0.25
9-2(3-4x)=-2x+1 9-6+8x=-2x+1 3+8x=-2x+1 8x+2x=1-3 10x=-2 x=-2/10 x=-1/5 x=-0,2 -------- L=9-2(3+0,8)=9-2.3,8=9-7,6=1,4 P=-2(-0,2)+1=1,4+1=1,4 L=P