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=013-3(x-2)=2(x+1) 15x-5(x-1)=105-3(x+8)

问题描述:

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)