To solve the equation \( 9 = x - 7 \), you need to isolate \( x \). To do this, you should add 7 to both sides of the equation.
So the correct operation is:
Addition
Which operation should be done to both sides of the equation to solve?
9 = x - 7
(1 point)
Responses
Addition
Addition
Subtraction
Subtraction
Multiplication
Multiplication
Division...........
3 answers
To solve the equation \( 9 = x - 7 \), you need to isolate \( x \). To do this, you should add 7 to both sides of the equation.
So the correct operation is:
Addition
To solve the equation \( 9 = x - 7 \), we start by adding 7 to both sides:
\[ 9 + 7 = x - 7 + 7 \]
This simplifies to:
\[ 16 = x \]
So, the solution to the equation is:
\[ x = 16 \]