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Express the following linear equations in the form ax + by + c = 0 and indicate the values of a, b and c in each case:
 
i. 2x + 3y = 9.35
 
a=
 
b=
 
c=
 
ii. x – \frac{y}{5} -10 = 0 
 
a=
 
b=
 
c=
 
iii. -2x + 3y = 6
 
a=
 
b=
 
c=
 
iv. x = 3y
 
a=
 
b=
 
c=