DeShaun solves the following problem: “Martyn is 7 years older than Adele. If Martyn is 52 years old, how old is Adele?” DeShaun begins by writing the equation a+7=52

, using a
as a variable to stand for Adele’s age. What is DeShaun’s next step?(1 point)
Responses

He adds 7 to both sides of the equation.
He adds 7 to both sides of the equation.

He subtracts 7 from both sides of the equation.
He subtracts 7 from both sides of the equation.

He subtracts 7 from just the left side of the equation.
He subtracts 7 from just the left side of the equation.

He divides both sides of the equation by 7.

1 answer

DeShaun's next step would be:

He subtracts 7 from both sides of the equation.

This is because he is trying to isolate the variable \( a \) (Adele's age) in the equation \( a + 7 = 52 \). By subtracting 7 from both sides, he can find the value of \( a \).