Question

write with reasons wheather m=8 is the solution of the equation 2m=18

Answer 1

Given: 2m=18
To find: whether m=8 satisfies the equation or not,
Solution: 
Solving the given equation 2m=18
We get, => 2m=18 => m=18/2 => m=9
Now as we are getting the value of m as 9 by solving the given equation,
Thus, the given value of m=8 does not satisfies the equation while m=9 satisfies the equation,
Therefore, m=9 (answer)


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Answer 2

If m=8 then

2m

=2 (8)

=16.

16 is not equal to 18 so 8 is not a solution of that equation