已知3x=4,且(y-2x+1)2+z−3=0,则x+y+z的值是_.

问题描述:

已知

3 x
=4,且(y-2x+1)2+
z−3
=0,则x+y+z的值是______.

3 x
=4,
∴x=64,
根据题意得:
y−2x+1=0
z−3=0
x=64

解得:
x=64
y=127
z=3

则x+y+z=194.
故答案是:194.