Question

solve the equation $x + 7 = 9$. click the icon to view the algebra tiles. $x = \square$

Explanation:

Step1: Subtract 7 from both sides

To solve for \( x \) in the equation \( x + 7 = 9 \), we use the subtraction property of equality. Subtract 7 from both sides of the equation:
\( x + 7 - 7 = 9 - 7 \)

Step2: Simplify both sides

Simplify the left side: \( x + 0 = x \).
Simplify the right side: \( 9 - 7 = 2 \).

Answer:

\( x = 2 \)