y-1=3(y+1) x+6分之5=2分之1x-2 3x-(x+5 )=-3 10-4 ( x-3)=2 (x-1) 5x-2(4x-3)-12=0

题目

y-1=3(y+1) x+6分之5=2分之1x-2 3x-(x+5 )=-3 10-4 ( x-3)=2 (x-1) 5x-2(4x-3)-12=0
13-3(x-2)=2(x+1) 15x-5(x-1)=105-3(x+8)

答案

y=-2
x=-17/3
x=1
x=4
x=-2
x=17/5
x=76/13