Answer:
a = [tex]\frac{u}{v-w}[/tex] - k
Step-by-step explanation:
Given
u = (a + k)(v - w) ← divide both sides by (v - w)
[tex]\frac{u}{v-w}[/tex] = a + k ( subtract k from both sides )
[tex]\frac{u}{v-w}[/tex] - k = a