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OpenStudy (anonymous):
If you have two rectangles and you're trying to find the perimeter, but you must first find the value of x. What is x+(x+3) = 14+(x-4)?
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OpenStudy (anonymous):
Isolate your x to find your unknown.
OpenStudy (anonymous):
So would I make x + (x+3), 2x + 3? And 14 + (x-4), 14x - 4?
OpenStudy (anonymous):
I figured it out! It's x = 7. Yay! :D
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