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1.Solve the equation: x – 2 = 7.


Answer :

We have: x – 2 = 7
⇒x – 2 + 2 = 7 + 2 (adding 2 on both sides)

⇒ x = 9

Check:

Keep x=9 in the given equation:

L.H.S= x-2=9-2=7=R.H.S

Hence we have x=9 as the solution.

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