问题
填空题
若2ax+1b3+3a3x-1by=5ax+1b3，则x+y=______．
答案
∵2ax+1b3+3a3x-1by=5ax+1b3，
∴x+1=3x-1，y=3，
∴x=1，y=3，
∴x+y=1+3=4．
故答案为4．
搜题请搜索小程序“爱下问搜题”
若2ax+1b3+3a3x-1by=5ax+1b3，则x+y=______．
∵2ax+1b3+3a3x-1by=5ax+1b3，
∴x+1=3x-1，y=3，
∴x=1，y=3，
∴x+y=1+3=4．
故答案为4．
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