Solve the equation for a. K = 4a + 9ab a = K(4 + 9b) a = 4(K + 9b) a = a equals StartFraction 4 plus 9 b Over K EndFraction equals h. a = a equals StartFraction K Over 4 plus 9 b EndFraction equals h.
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Given : K = 4a + 9ab
To Find : Solve the Equation for a
a = K(4 + 9b)
a = 4(K + 9b)
a = (4 + 9b)/K
a = K /(4 + 9b)
Solution
K = 4a + 9ab
Changing sides
4a +9ab = K
Taking a common
=> a( 4 + 9b) = K
Dividing both sides by 4 + 9b
=> a = K/(4 + 9b)
a = K/(4 + 9b) is the correct option
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