Respuesta :
Answer:
y = 2x + 2W - 2z
Step-by-step explanation:
Add y/2 to both sides of this equation. We get:
y/2 + W = x - z.
Multiplying all four terms by 2 eliminates the fraction:
y + 2W = 2x - 2z
Subtracting 2W from both sides yields:
y = 2x + 2W - 2z