Question

Solve by elimination method 2x+3y = 8 and 4x+6y = 2 xxx​

Answer 1

Step-by-step explanation:

Given pair of linear equations is

2x + 3y = 8 …(i)

And

4x + 6y = 7 …(ii)

On multiplying Eq. (i) by 2 to make the coefficients of x equal,

we get the equation as

4x + 6y = 16 …(iii)

On subtracting Eq.

(ii) from Eq. (iii),

we get 4x + 6y – 4x – 6y = 16 – 7 ⇒ 0 = 9

Which is a false equation involving no variable. So, the given pair of linear equations has no solution i.e. this pair of linear equations

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