In ΔDEF, \overline{DF}

DF

is extended through point F to point G, m∠DEF = (x+11)^{\circ}(x+11)

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, m∠FDE = (x+11)^{\circ}(x+11)

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, and m∠EFG = (4x-4)^{\circ}(4x−4)

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. What is the value of x?

Complete the two-column proof. given: 5/x + 9 = 11 prove: x = 10 5/x + 9-11 select one: a. a. given b. subtraction property of equality c. division property of equality b. a. given b. subtraction property of equality c multiplication property of equality ca. given b. addition property of equality c. multiplication property of d. a. given b. addition property of equality c. division property of equality