Given: 6x + 5y = 11 – eq 1

9x + y = 21 ⇒ 18x + 15y = 42 – eq 2

Here,

a₁ = 6, b₁ = 5, c₁ = - 11

a₂ = 18, b₂ = 15, c₂ = - 42

Here,

= =

= =

Here,

= ≠

That is give system of equations are parallel lines, that is they don’t have any solutions.

∴ The system of equations has no solution.