Question

please answer the question​

Answer 1

Answer:

a = -6

Step-by-step explanation:

For any pair of equations to have infinite solutions,

$\frac{a_{1}}{a_{2}}=\frac{b_{1}}{b_{2}}=\frac{c_{1}}{c_{2}}$

=>  $\frac{a}{-12}=\frac{-3}{a}=\frac{1}{2}$

=>  $a=\frac{1}{2}(-12)=2(-3)=-6$

Hence proved

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