x取值时,4x+2与3x-1的值(1)相等(2)互为相反数 已知关于x的方程ax+2=4-x的解是x=1/2,求a的值A,B两地相距30km,甲、乙两人分别从A,B两地同向而行,甲在乙后面,甲每小时行20km,乙每小时行15.(1)两
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/17 21:27:26
![x取值时,4x+2与3x-1的值(1)相等(2)互为相反数 已知关于x的方程ax+2=4-x的解是x=1/2,求a的值A,B两地相距30km,甲、乙两人分别从A,B两地同向而行,甲在乙后面,甲每小时行20km,乙每小时行15.(1)两](/uploads/image/z/5634091-19-1.jpg?t=x%E5%8F%96%E5%80%BC%E6%97%B6%2C4x%2B2%E4%B8%8E3x-1%E7%9A%84%E5%80%BC%EF%BC%881%EF%BC%89%E7%9B%B8%E7%AD%89%EF%BC%882%EF%BC%89%E4%BA%92%E4%B8%BA%E7%9B%B8%E5%8F%8D%E6%95%B0+%E5%B7%B2%E7%9F%A5%E5%85%B3%E4%BA%8Ex%E7%9A%84%E6%96%B9%E7%A8%8Bax%2B2%3D4-x%E7%9A%84%E8%A7%A3%E6%98%AFx%3D1%2F2%2C%E6%B1%82a%E7%9A%84%E5%80%BCA%2CB%E4%B8%A4%E5%9C%B0%E7%9B%B8%E8%B7%9D30km%2C%E7%94%B2%E3%80%81%E4%B9%99%E4%B8%A4%E4%BA%BA%E5%88%86%E5%88%AB%E4%BB%8EA%2CB%E4%B8%A4%E5%9C%B0%E5%90%8C%E5%90%91%E8%80%8C%E8%A1%8C%2C%E7%94%B2%E5%9C%A8%E4%B9%99%E5%90%8E%E9%9D%A2%2C%E7%94%B2%E6%AF%8F%E5%B0%8F%E6%97%B6%E8%A1%8C20km%2C%E4%B9%99%E6%AF%8F%E5%B0%8F%E6%97%B6%E8%A1%8C15.%EF%BC%881%EF%BC%89%E4%B8%A4)
xSNP/ڎ&BRve&*LJ,,k;+~s1M,Uf̙9ss 6Im&<5V Ǿo=/|"JєH*o[-ħNɷhÖakySބBQׯ~>P ]/,R,WI}5)U*ES@zmwD2 @ݦP,''$_{Գ/u6tL
UR`Dݯ (fMIAg.6aھ6?;>*N3ycn:[Oz.[#+״i