Check whether the value of $x = 3$ satisfied for the equation $5 x - 8 = 7$

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Solution

For checking whether $x = 3$ is a solution or not for $5 x - 8 = 7$
Put $x = 3$
$L H S = 5 x - 8 = 5 (3) - 8 = 15 - 8 = 7$
RHS $= 7$
As, RHS=LHS
Therefore, yes $x = 3$ satisfies equation $5 x - 8 = 7$

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Complete the last column of the table.

S. No.	Equation	Value	Say, whether the equation is satisfied. (Yes/No)
(i)	x + 3 = 0	x = 3	-
(ii)	x + 3 = 0	x = 0	-
(iii)	x + 3 = 0	x = − 3	-
(iv)	x − 7 = 1	x = 7	-
(v)	x − 7 = 1	x = 8	-
(vi)	5x = 25	x = 0	-
(vii)	5x = 25	x = 5	-
(viii)	5x = 25	x = − 5	-
(ix)		m = − 6	-
(x)		m = 0	-
(xi)		m = 6	-

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