求解n-3+2n+1=10
问题描述:
求解n-3+2n+1=10
答
n-3+2n+1=10
n+2n=10-1+3
3n=12
n=4
求解n-3+2n+1=10
n-3+2n+1=10
n+2n=10-1+3
3n=12
n=4