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: