22) If (1, -2) is a solution of the equation 2x - y=p, then find the value of p.
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Answer:
The value of p is 4.
Step-by-step explanation:
Given equation is 2x-y =p
If (1,-2) be the solution of the equation...then
putting x=1, y=-2 in the equation we get,
2*1-(-2)= p
=> p=2+2=4
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