2/3（x+1）=6/5（x+1）-12/3x+2/3=6/5x+6/5-12/3x+2/3=6/5x+1/56/5x-2/3x=2/3-1/58/15x=7/15x=7/15÷8/15x=7/8
2/3(x+1)=6/5(x+1)-1(x+1)(2/3-6/5)=-1(x+1)(10/15-18/15)=-18(x+1)=158x+8=158x=15-88x=7x=7/8
