Question

solve the trial and error method ×+12=15​

Answer 1

Correct Question :-

• Solve using trial and error method.

• $\longmapsto$ x + 12 = 15.

Answer :-

• The value of x is 3.

Step-by-step explanation :-

• We have to solve this equation using the trial and error method. So we will find the value of x by trying all the numbers one by one.

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Let's try with 1 !

LHS

$\longmapsto\sf x + 12$

Substituting 1 in the place of x,

$\longmapsto\sf1 + 12$

Adding 12 to 1,

$\longmapsto\sf 13.$

RHS

$\longmapsto\sf15.$

LHS ≠ RHS,

So 1 is not the solution to the given equation.

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Let's try with 2 !

LHS

$\longmapsto\sf x + 12 = 15$

Substituting 2 in the place of x,

$\longmapsto\sf2 + 12$

Adding 12 to 2,

$\longmapsto\sf14.$

RHS

$\longmapsto\sf15.$

LHS ≠ RHS,

So, 2 is not the solution to the given equation.

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Let's try with 3 !

LHS

$\longmapsto\sf x + 12 = 15$

Substituting 3 in the place of x,

$\longmapsto\sf3 + 12$

Adding 12 to 3,

$\longmapsto\sf15.$

RHS

$\longmapsto\sf15.$

LHS = RHS,

So, 3 is the solution to the given equation.