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Is it possible to solve this linear algebra question by SageMath?

Given column vectors v1=[1,1,3], v2=[1,0,-2] and v3=[a,3,3].

Question: for what value of a, the vector v3 is in the span of v1 and v2?

Thank you in advance.

Is it possible to solve this linear algebra question by SageMath?

Given column vectors v1=[1,1,3], v2=[1,0,-2] and v3=[a,3,3].

Question: for what value of a, the vector v3 is in the span of v1 and v2?

Thank you in advance.