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4(r-3)=3(h-3)
4r-12=3h-9
4r=3h+3
4(h-5)=3h+3
4h-20=3h + 3
h=20+3
h=23
r = h-5
r = 23-5
r = 18
h+5+r+5
= 23 + 5 + 18 + 5
= 51
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