👤

Answer :

Step-by-step explanation:

[tex]a=(v+w)(k-x)[/tex]

[tex](k - x) = \frac{a}{(v + w)} [/tex]

[tex]x = k - \frac{a}{v + w} [/tex]

[tex]x = \frac{kv + kw - a}{v + w} [/tex]