HELP! Need this in less than 2 hours!
"The perimeter of an equilateral triangle is 15 inches more than the perimeter of a square, and the side of the triangle is 7 inches longer than the side of the square. Find the side of the triangle. (Hint: an equilateral triangle has three sides the same lenght)"
I'm terrible with word problems. How can I solve this!? My homework is due in an hour and a half!

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there are your two equations, now solve the system

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