请问这道方程怎么解2.25×3+2.25x=9

网友回答

2.25×3+2.25x=9
6.75+2.25x=9
2.25x=9-6.75
2.25x=2.25
x=1希望能帮到你哦!
======以下答案可供参考======
供参考答案1:
2.25×3+2.25x=9
6.75+2.25x=9
2.25x=9-6.75
2.25x=2.25
x=1供参考答案2:
2.25×3+2.25x=9
2.25×(3+x)=2.25×4
3+x=4x=4-3=1