To solve for Z you will need to begin by isolating any terms that have Z in them

Step 1: Begin with your original equation J = H + (Z (I - H))

Step 2: Subtract H from each side of the equation: J - H = Z (I -...

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To solve for Z you will need to begin by isolating any terms that have Z in them

Step 1: Begin with your original equation J = H + (Z (I - H))

Step 2: Subtract H from each side of the equation: J - H = Z (I - H)

Step 3: Divide each side of the equation by I - H: (J - H)/(I - H) = Z

All of the extra information is not needed to solve for Z. When you are solving math problems, you always want to be certain to determine what is extra information & eliminate it.

I hope this helps.