若在方程3x+(2m-1)=x-(3x+2)的解是0,则m等于?A.1/5 B.3/5 C.-1/5 D.-3/5
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![若在方程3x+(2m-1)=x-(3x+2)的解是0,则m等于?A.1/5 B.3/5 C.-1/5 D.-3/5](/uploads/image/z/10151555-59-5.jpg?t=%E8%8B%A5%E5%9C%A8%E6%96%B9%E7%A8%8B3x%2B%EF%BC%882m-1%EF%BC%89%3Dx-%EF%BC%883x%2B2%EF%BC%89%E7%9A%84%E8%A7%A3%E6%98%AF0%2C%E5%88%99m%E7%AD%89%E4%BA%8E%3FA.1%2F5+B.3%2F5+C.-1%2F5+D.-3%2F5)
若在方程3x+(2m-1)=x-(3x+2)的解是0,则m等于?A.1/5 B.3/5 C.-1/5 D.-3/5
若在方程3x+(2m-1)=x-(3x+2)的解是0,则m等于?A.1/5 B.3/5 C.-1/5 D.-3/5
若在方程3x+(2m-1)=x-(3x+2)的解是0,则m等于?A.1/5 B.3/5 C.-1/5 D.-3/5
是同类项则a和b的次数相等
所以m+21=2
3n=3
所以m=-19,n=1
2(x+5)+3x=50
2x+10+3x=50
2x+3x=50-10
5x=40
x=40÷5
x=8
把x=0
所以0+2m-1=0-(0+2)
2m-1=-2
m=-1/2
题目不对