(1)0.5y+1.1=4.5-1.2y (2)3(x+2)-2(x-2分之3)=5-4x

问题描述:

(1)0.5y+1.1=4.5-1.2y (2)3(x+2)-2(x-2分之3)=5-4x

(1)0.5y+1.1=4.5-1.2y
1.7y=3.4
y=2
3(x+2)-2(x-2分之3)=5-4x
3x+6-2x+3=5-4x
5x=-4
x=-4分之5