3(26+X)=50X怎么解
问题描述:
3(26+X)=50X怎么解
答
78+3X=50X
78=50X-3X
47X=78
X=78/47
3(26+X)=50X怎么解
78+3X=50X
78=50X-3X
47X=78
X=78/47