Question

4х – Зу = 14
х - 2y = 6​

Answer 1

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$\begin{cases}\sf{4x-3y=14}\\\sf{x-2y=6}\end{cases}\\+\underline{\begin{cases}\sf{\diagdown\!\!\!\!\!4x-3y=14}\\\sf{-\diagdown\!\!\!\!\!\!4x+8y=-24}\end{cases}}\\\sf{5y=-10}\\\sf{y=-\dfrac{10}{5}}\\\huge\boxed{\boxed{\boxed{\boxed{\boxed{\sf{y=-2\checkmark}}}}}}\\\sf{x-2\cdot(-2)=6}\\\sf{x+4=6}\\\sf{x=6-4}\\\huge\boxed{\boxed{\boxed{\boxed{\sf{x=2\checkmark}}}}}\\\huge\boxed{\bjoxed{\boxed{\boxed{\boxed{\sf{s=\{2,-2\}}}}}}}$