Chem hw: Balancing Redox Reactions?

Can you please help me on this questions? Balance the following oxidation-reductions equations under the specific conditions noted: (XO2)^1+ + (YO)^1+ ==> (X2O4)^3- + Y^1- + (Y3O7)^2- (Basic) Okay this is what I have so far: 5e^- + 2(XO2)^1+ ==> (X2O4)^3- 1e^- + 3(H2O) + 4(YO)^1+ ==>... show more Can you please help me on this questions?

Balance the following oxidation-reductions equations under the specific conditions noted:

(XO2)^1+ + (YO)^1+ ==> (X2O4)^3- + Y^1- + (Y3O7)^2- (Basic)

Okay this is what I have so far:

5e^- + 2(XO2)^1+ ==> (X2O4)^3-

1e^- + 3(H2O) + 4(YO)^1+ ==> Y^-1 + (Y3O7)^2- + 6(H)^1+

It doesn't seem to work out, so what to do then??
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