Q.

Solve 2x-3=9 and find the value of x. (verify the solution).


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a

2

b

3

c

9

d

6 

answer is D.

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Detailed Solution

Given equation,
2x-3=9
Add 3 both side of equation,
2x-3+3=9+3
2x=9+3
2x=12
Divide by 2 both side of equation,
x=122
x=6
For, verification, take the left-hand side,
2x-3
Put the value of x,
=26-3
=9
Now, the right-hand side,
=9
Here left-hand side is equal to the right hand side.
Thus, the value of x=6
Option 4 is correct.
 
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