If (3, -2) is a solution of the linear equation 3x – py – 7 =0, then find the value of p.
1 answer:
Answer:
-1
Step-by-step explanation:
So to solve this, it tells you that (3, -2) is a solution so you can substitute x = 3 and y = -2 into the equation which would look like this:
Then, you solve the equation for p:
first, simplify the left side
subtract 2 from both sides
divide both sides by 2
Now, you have p = -1!
hope that makes sense :D
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