what is w if 2w = 16
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5w+2 = 2w+5 5w-2w = 5-2 3w = 3 w = 1
2L+2W=132 L=W+8 substitute for L... 2(W+8)+2W=132 2W+16+2W=132 4W+16=132 2W+8=66 2W=58 W=29 L=W+8=29+8=37 So the width is 29 metres and the length is 37 metres
Let w be the width, then 2(7 + w) = 42 or 14 + 2w = 42 or 2w = 42 - 14 or 2w = 28 w = 14
6 + w - 2w - 11 + 6w = -5 + 5w
P = perimeter, L = length, W = width P = 2L + 2W = 2(8) + 2W = 2W + 16 = 46 2W = 30 W = 15 So as long as x is 15 inches or more, it will have a perimeter at least 46.