Answer:
Hello!!! Princess Sakura here ^^
Explanation:
Step 1: Simplify both sides of the equation.
Step 2: Flip the equation.
Step 3: Add 3 to both sides.
x=215
x = 215
15^2-13=x-3
225 - 13 = x - 3
212 + 3 = x - 3 + 3
215 = x
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