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Question
Which of the following equations has x = 2 as a solution?
Options
x + 2 = 5
x – 2 = 0
2x + 1 = 0
x + 3 = 6
Solution
x – 2 = 0
Explanation:
To get solution as x = 2, solve each equation.
x – 2 = 0
⇒ x = 2 .....[Transposing – 2 to RHS]
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| Column I | Column II |
| (i) The number of corners of a quadrilateral | (A) = |
| (ii) The variable in the equation 2p + 3 = 5 | (B) constant |
| (iii) The solution of the equation x + 2 = 3 | (C) +1 |
| (iv) solution of the equation 2p + 3 = 5 | (D) –1 |
| (v) A sign used in an equation | (E) p |
| (F) x |
