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Please someone help me on the picture above I don’t get it

What is the solution of sqrt x+2-15=-3

The spring the owner of a sporting good store decreases the price of winter gloves from $10 to $8 each increases the price of swimming goggles from $8 to $10 without doing the math you think the percent decrease in the price of the gloves the same as the percent increase of the goggles explain why or why not

Ineed if you could explain and give me the answer you! this needs done