Problem
\( 9^{3 x-7}=9^{5-x} \)
Solution
Step 1 ：\( 3x - 7 = 5 - x \)
Step 2 ：\( 3x + x = 5 + 7 \)
Step 3 ：\( 4x = 12 \)
Step 4 ：\( x = \frac{12}{4} \)
Step 5 ：\( x = 3 \)
Step 1 ：\( 3x - 7 = 5 - x \)
Step 2 ：\( 3x + x = 5 + 7 \)
Step 3 ：\( 4x = 12 \)
Step 4 ：\( x = \frac{12}{4} \)
Step 5 ：\( x = 3 \)
