56+6x=98.80-5x=42 (45+15)x=70
问题描述:
56+6x=98.80-5x=42 (45+15)x=70
答
您好:56+6x=986x=98-566x=42x=780-5x=42 5x=80-425x=38x=7.6(45+15)x=7060x=70x=70÷60x=7/6 ~如果你认可我的回答,请及时点击【采纳为满意回答】按钮~~手机提问者在客户端右上角评价点【满意】即可.~你的采纳是...我还有新的问题