4x+2x=42方程怎么解

2025-02-23 00:56:26
推荐回答(4个)
回答1:

解:
6x=42
x=42÷6
x=7

回答2:

4x+2x=42
6x=42
x=42÷6
x=7

回答3:

6x=42
x=42/6
x=7

回答4:

6x=42
x=7