Question

2x+3y=8,4x+6y=7.
solve this by elimination method.
plz solve this.

Answer 1

Answer: The system of equations has no solution.

Step-by-step explanation:  The given system of equations is

$2x+3y=8~~~~~~~~~~~~~~~~~~~~~~(i)\\\\4x+6y=7~~~~~~~~~~~~~~~~~~~~~~(ii)$

We are to solve the above system of equations by elimination method.

Multiplying equation (i) by 2, we get

$2\times (2x+3y)=2\times8\\\\\Rightarrow 4x+6y=16~~~~~~~~~~~~~~~~~~~(iii)$

Subtracting equation (i) from equation (iii), we get

$(4x+6y)-(4x+6y)=16-7\\\\\Rightarrow 4x+6y-4x-6y=9\\\\\Rightarrow 0=9.$

Since 0 = 9 can never be true, so there is no solution to the given system of equations.

Answer 2

Answer:

there is no answer as it is not a true solution.

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