Respuesta :

Space

Answer:

a = [tex]\frac{2b - 2cd}{d^2}[/tex]

Step-by-step explanation:

Step 1: Write out equation

2b = 2cd + ad²

Step 2: Subtract 2cd on both sides

2b - 2cd = ad²

Step 3: Divide both sides by d²

a = [tex]\frac{2b - 2cd}{d^2}[/tex]