3a-5=4a-10怎么解
问题描述:
3a-5=4a-10怎么解
答
3a-5=4a-10
3a-4a=-10+5
-a=-5
a=5
3a-5=4a-10怎么解
3a-5=4a-10
3a-4a=-10+5
-a=-5
a=5