Q3. Which of the following equations has x=2 as a solution?
X + 2 = 5
X 2 = 0
O x + 3 = 6
2x + 1 = 0
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Answer:
Solution :
Substitute x = 2 in each of the equation.
A ) x + 2 = 5
=> 2 + 2 = 5
=> 4 = 5 ( False )
x = 2 is not a solution.
B ) x - 2 = 0
=> 2 - 2 = 0
=> 0 = 0 [ True ]
Therefore ,
x = 2 is a solution .
Option ( B ) is correct.
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