2-(1-x)=-2一元一次方程,
问题描述:
2-(1-x)=-2一元一次方程,
答
2-(1-x)=-2
2-1+x=-2
x=-2-2+1
x=-3
2-(1-x)=-2一元一次方程,
2-(1-x)=-2
2-1+x=-2
x=-2-2+1
x=-3