The length of the garden is 7ft more than 5x's the width.I need 86 ft of fence.?

L = 7 + 5W
W = width

Perimeter = 86 ft

P = 2L + 2W

86 = 2(7 + 5W) + 2W

86 = 14 + 10W + 2W

72 = 12W

W = 6

L = 7 + 5(6)

L = 7 + 30

L = 37
 
L=length
W=width

L=7+5W

2L+2W=86

2(7+5W)+2W=86
14+10W+2W=86
14+12W=86
12W=72

W=6

L=7+5(6)

L=37
 
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