x/0.5+2+x=5怎么算?
1个回答
展开全部
解:解方程,此方程的解为x = 1
x/0.5+2+x=5
(1 ÷ 0.5)x + 2 + x = 5
(1 ÷ 5/10 )x + 2 + x = 5
(1 ÷ 1/2)x + 2 + x = 5
(1 × 2)x + 2 + x = 5
2x + 2 + x = 5
3x = 5 - 2
3x = 3
x = 3 ÷ 3
x = 3 × 1/3
x = 3/3
∴x = 1
答:此方程的解为x = 1
x/0.5+2+x=5
(1 ÷ 0.5)x + 2 + x = 5
(1 ÷ 5/10 )x + 2 + x = 5
(1 ÷ 1/2)x + 2 + x = 5
(1 × 2)x + 2 + x = 5
2x + 2 + x = 5
3x = 5 - 2
3x = 3
x = 3 ÷ 3
x = 3 × 1/3
x = 3/3
∴x = 1
答:此方程的解为x = 1
已赞过
已踩过<
评论
收起
你对这个回答的评价是?
推荐律师服务:
若未解决您的问题,请您详细描述您的问题,通过百度律临进行免费专业咨询