Solve for x & r

[nycmathguy]

 

[MathLover1]

1.
y=e^5.184/sqrt(x)

sqrt(x)=e^5.184/y

x=sqrt(e^5.184/y)

2.
A=P*e^(rt)

e^(rt)=A/P

ln(e^(rt))=ln(A/P)

(rt)ln(e)=ln(A)-ln(P)

(rt)*1=ln(A)-ln(P)

rt =ln(A)-ln(P)

r =(ln(A)-ln(P))/t

 

[nycmathguy]

1.
y=e^5.184/sqrt(x)

sqrt(x)=e^5.184/y

x=sqrt(e^5.184/y)

2.
A=P*e^(rt)

e^(rt)=A/P

ln(e^(rt))=ln(A/P)

(rt)ln(e)=ln(A)-ln(P)

(rt)*1=ln(A)-ln(P)

rt =ln(A)-ln(P)

r =(ln(A)-ln(P))/t

Very good. Please, use Wolfram for all replies involving algebra work.

 

[MathLover1]

1. just last line

2.

 

[nycmathguy]

1. just last line View attachment 3771

2. View attachment 3772

That's much better.