Question 7

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

What is the solution to the equation?

9 = x - 7

(1 point)

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:

\[ x = 16 \]