1/3x+2/3*1/2x+2-1+38=x

问题描述:

1/3x+2/3*1/2x+2-1+38=x

1/3x+2/3*1/2x+2-1+38=x
1/3x+1/3x+39=x
x-2/3x=39
1/3x=39
x=117