Question

2/3（x+1）=6/5（x+1）-1

Answer 1

2/3（x+1）=6/5（x+1）-1
2/3x+2/3=6/5x+6/5-1
2/3x+2/3=6/5x+1/5
6/5x-2/3x=2/3-1/5
8/15x=7/15
x=7/15÷8/15
x=7/8

Answer 2

2/3(x+1)=6/5(x+1)-1
(x+1)(2/3-6/5)=-1
(x+1)(10/15-18/15)=-1
8(x+1)=15
8x+8=15
8x=15-8
8x=7
x=7/8