Question

x=3 and y=-2 is a solution of the equation 4px-3y=12,then the value of p is ___________ answer this question with explanation

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Answer 1

Answer: p=1/2

Explanation: Since x=3 and y= -2 is the solution of equation, so putting value of x and y in the given equation will satisfy the equation, i.e., LHS=RHS

Therefore

4p(3) - 3(-2) = 12

12p + 6 = 12

12p = 6

p = 12/6 = 1/2

Answer 2

Answer:

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Explanation:

The cost of 1 m cloth is 10–.3_5 Find the cost of 7 -1_2 m of cloth.