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For the equation y - 2 = 3x + 6, which of the following is correct.
1. It has unique solution
2. It has no solution
3. It has infinite number of solutions
4. It has two solution

1 Answer

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Best answer
Correct Answer - Option 3 : It has infinite number of solutions

Explanation:

The given equation is y - 2 = 3x + 6 i.e., y = 3x + 8 which is a linear equation in two variables.

On putting, x = 0 in this equation, we get

y = 3(0) + 8 = 0

So, (0, 0) is the solution of the equation.

Similarly, if we put x = 1, we get

y = 3(1) + 8 = 11

So, (1, 11) is also the solution of the equation.

Similarly, if we put x = 2, we get

y = 3(2) + 8 = 6 + 8 = 14

So, (2, 14) is also the solution of the equation.

Clearly, for different values of x, we get various values for y. Thus, any value substituted for x in the given equation will constitute another solution for the given equation.

And there is no end to different solutions of linear equations in two variables. 

Therefore, a linear equation in two variables has infinitely many equations. 

Hence, y - 2 = 3x + 6 has infinite number of solutions. 

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