Thu September 29, 2011 By:

sir it is given that a linear equation is in the form ax+bx+c where a and b both are not equal to zero then in this question 5x=7 we would do 5x+0y-7=0. but here b=0

Expert Reply
Fri September 30, 2011
In a linear equation ax + by + c= 0,  a and b cannot be zero at the same time.
It is possible that a = 0 and b is non-zero
and also b= 0 and a is non zero.
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