解方程: 2x+5=25-8x 3x-4+2x=4x-3
(1) 2x+5=25-8x
解:2x+8x=25-5
10x =20
x =20/10
x =2
(2)3x-4+2x =4x-3
解:3x+2x-4x=4-3
x=1