2(x-2)-(3x+1)=4(1-x)
问题描述:
2(x-2)-(3x+1)=4(1-x)
答
2(x-2)-(3x+1)=4(1-x)
2x-4-3x-1=4-4x
2x-3x+4x=4+4+1
3x=9
x=3