the number of common solution for pair of equation 5x-4y-15 =0 and 10x-8y=30 is ____?
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Step-by-step explanation:
Clearly both the equations are parallel to each other as
10x+8y=12=>2(5x+4y=6)
which has the same coefficients of x and y as 5x+4y+6=0
Two parallel lines never intersect and do not have any solutions.
So, the number of common solutions for the given system of linear equations is 0.
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