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∠E and ∠F are vertical angles with m∠E=5x+10 and m∠F=7x−12 . What is the value of x?
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∠E and ∠F are vertical angles with m∠E=5x+10 and m∠F=7x−12 .

What is the value of x?

User Ecropolis
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vertical angles are equal...so set ur angles equal to each other and solve for x

5x + 10 = 7x - 12
12 + 10 = 7x - 5x
22 = 2x
22/2 = x
11 = x <==
User Temaruk
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