Question

Pick out the solution from the values given in the bracket next to each equation. Show that the other values do not satisfy the equation.
x+4=2 (-2, 0 ,2 , 4)

Answer 1

Let us try all the values -

- 2 + 4 = 2

2 = 2

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0 + 4 = 2

4 ≠ 2

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2 + 4 = 2

6 ≠ 2

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4 + 4 = 2

8 ≠ 2

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∴ -2 is the right answer.

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