x-2+3+x+2=69怎么解

x-2+3+x+2=69怎么解
2025-12-05 13:18:54
推荐回答(2个)
回答1:

x-2+3+x+2=69
解:2x+3=69
2x=69-3
2x=66
x=33

回答2:

合并同类项得 2x=69-2+2-3
2x=66
x=33