Question

已知关于X方程4X-2=3M和X-2=2分1M有相同的解,求M的值

Answer 1

4x-2=3m

x=(3m+2)/4

x-2=m/2

x=2+m/2

则(3m+2)/4=2+m/2

两边乘4

3m+2=8+2m

m=6