It sounds like you're given
Since the bases on either side match (5), the exponents must be equal. So
3b - 1 = b - 3
Solve for b :
3b - b = -3 + 1
2b = -2
b = -1
Joann wants to hang a wallpaper border around the top of her living room walls. The room is 13 ft. by 15 ft. How much border mus
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