Find the solution of the equation $x + 2 = 6$ by trial and error method.

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Solution

The correct option is C 4
Given equation is $x + 2 = 6$ .

Substituting value ( $x$ ) Value of LHS ( $x + 2$ ) Value of RHS (6) Whether LHS and RHS are equal

1 1+2 = 3 6 No

2 2+2 = 4 6 No

3 3+2 = 5 6 No

4 4+2 = 6 6 Yes

As LHS = RHS for $x$ = 4
Hence $x$ = 4 is the solution of the given equation.

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