3x加2y等于54,2x加3y等于46,则x加y等于?

来源:学生作业帮助网 编辑:六六作业网 时间:2025/01/31 08:52:26
3x加2y等于54,2x加3y等于46,则x加y等于?3x加2y等于54,2x加3y等于46,则x加y等于?3x加2y等于54,2x加3y等于46,则x加y等于?3x+2y=542x+3y=465x+

3x加2y等于54,2x加3y等于46,则x加y等于?
3x加2y等于54,2x加3y等于46,则x加y等于?

3x加2y等于54,2x加3y等于46,则x加y等于?
3x+2y=54
2x+3y=46
5x+5y=54+46=100
x+y=20

35

20