Respuesta :
Answer:
Let's solve the equation step by step:
\[ 7(y-2) = 21 \]
Distribute the 7 on the left side:
\[ 7y - 14 = 21 \]
Add 14 to both sides:
\[ 7y = 35 \]
Divide both sides by 7:
\[ y = 5 \]
So, the solution to the equation is \( y = 5 \).