Question

If 2x + 3y = 7 and (p+q)x+2(p-q)y=21, then the values of p and q are (given that the system
has infinite solutions)
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Answer 1

Answer:

2x + 3y = 7 and (p+q)x + (2p-q)y = 21 . Equation will have infinite number of solutions. To Find :- The value of p and q. Put p = 5 in p + q = 6 or 2p - q = 9 , for getting the value of q