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Solve the equation for a. K = 4a + 9ab a = K(4 + 9b) a = 4(K + ...

Sagot :

The equation K = 4a + 9ab solved for a is a = K /(4 + 9b). (Option D)

In mathematics, an equation refers to a formula that expresses the equality of two mathematical expressions by connecting them with the equals sign =.

The given equation is K = 4a + 9ab.

In order to solve for a, the a variable must be isolated at one side of the equation and the other variables must be collected on the other sides.

On the right-hand side, as both terms contain the variable a, hence factoring it,

K = a(4 + 9b)

Dividing both sides by (4 + 9b) to isolate a,

a = K /(4 + 9b)

Note: The question is incomplete. The complete question probably is: Solve the equation for a in K = 4a + 9ab. A) a = K(4 + 9b) B) a = 4(K + 9b) C) a = (4 + 9b)/K D) K /(4 + 9b)

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