6x+4(2x-1)+3x4(45-3x4)=171

来源:学生作业帮助网 编辑:作业帮 时间:2024/05/04 22:25:04
6x+4(2x-1)+3x4(45-3x4)=171

6x+4(2x-1)+3x4(45-3x4)=171
6x+4(2x-1)+3x4(45-3x4)=171

6x+4(2x-1)+3x4(45-3x4)=171
6x+8x-4+12*33=171
14x-4+396=171
14x+392=171
14x=-221
x=-221/14