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Compare the following linear equations with the general form of the linear equation in two variables and hence determine the values of a, b and c.
 
1. -8x+13y=-18
 
The values of  a = i b = i and c = i
 
 
2. 57y-29z=110
 
The values of  a = i b = i and c = i
 
 
3. 102=102x-107z
 
The values of  a = i b = i and c = i