(1/40)*4*x+(1/40)*8*(x+2)=1 4x+8(x+2)=4012x=24x=2
(1/40)*4*x+(1/40)*8*(x+2)=1(1/40)*[4X+8*(x+2)]=1(1/40))(12x+16)=112x+16=4012x=24x=2
1/10)x+1/5(x+2)=1x+2(x+2)=103x+4=10x=2