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Helppppppppppppppppppppppppppppp//////

Helppppppppppppppppppppppppppppp//////-example-1

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If you flip the second figure, you can see that side GF = QR. With that in mind, you take the values from each side to form an equation to get something like this:
12=2x-4
and solve..
8=2x
4=x
User Scott Bartlett
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