1.解方程:y-y+1/2=2-y+2/5 2.解方程:1/2(2x+5)=4x+3/4-2-3x/8幫幫我.謝謝學霸了!

1.解方程:y-y+1/2=2-y+2/5 2.解方程:1/2(2x+5)=4x+3/4-2-3x/8幫幫我.謝謝學霸了!

解方程:y-(y+1)/2=2-(y+2)/510y-5y-5=20-2y-4y=32.解方程:1/2(2x+5)=4x+3/4-2-3x/8 ;4(2x+5)=32x+6-16-3x8x+20=29x-1021x=30x=10/7