0,2*(10-5x)=3+2(x-1)

0,2*(10-5x)=3+2(x-1) 2-10x=3+2x-2 2-10x=1+2x 10x-2x=1-2 8x=-1 /8 x= -1/8 ;p;p;p

0,2*(10-5x)=3+2(x-1) 2 - x = 3+2x-1 2-x = 2x+2 /+x -2 3x = x x = 0