Respuesta :

Answer:

a = -0.2cx^-1 + 1.7x^-1

Step-by-step explanation:

Solving for variable a.

Add "-c" to each side of the equation.

5ax + c + -c = 8.5 + -c

5ax = 8.5 - c

Divide each side by 5x.

a = 1.7X^-1 - 0.2cx^-1

Final answer:

a = -0.2cx^-1 + 1.7x^-1