Torresmely1109go Torresmely1109go Mathematics Answered 1)0.1x+0.2=0.3x+0.4 2)0.4x-0.7=0.2x+0.3 3)1/4x+1/2=1/5x+3/5 4)2/3x+4/5=1/6x+3/10 5)2/5x-5/6=3/10x+4/7