Answer:
c = [tex]\frac{2A}{b}[/tex] - d
Step-by-step explanation:
Multiply both sides by 2 to eliminate the fraction
2A = b(c + d) ← divide both sides by b
[tex]\frac{2A}{b}[/tex] = c + d ← subtract d from both sides
[tex]\frac{2A}{b}[/tex] - d = c
