若|3a+2b+3|+(b-3)^2=0,则a+b=
问题描述:
若|3a+2b+3|+(b-3)^2=0,则a+b=
答
3a+2b+3=0,b-3=0
b=3 a=-9
a+b=-6
若|3a+2b+3|+(b-3)^2=0,则a+b=
3a+2b+3=0,b-3=0
b=3 a=-9
a+b=-6