设复数z满足i(z＋1)＝－3＋2i(i为虚数单位)，则z的实部是________

1 设z=a+bi(a、b为实数)，i(z＋1)=i(a+1+bi)=-b+(a+1)i=-3+2i,因此b="3,a+1=2," 则z的实部a=1.