3分之5x-1 -x>1 怎么算
问题描述:
3分之5x-1 -x>1 怎么算
答
5x/3-1-x>1
(5/3-1)x>1+1
2x/3>2
x>2÷(2/3)
x>3
答
先全乘以3
5x-1-3x>3
x>2