Check whether the value given in the brackets is a solution to the given equation or not:
7n + 5 = 19(n = -2)

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Solution

7n + 5 = 19 (n= -2)
Putting n= -2 in L.H.S.
7(-2) + 5 = -14 + 5= -9
$∵$ L.H.S $\neq$ R.H.S
$∴$ n= -2 is not the solution of given equation.

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