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Mathematics 10 Online
OpenStudy (anonymous):

What is the value of x? transversal EF crosses parallel lines AB and CD; measures of alternate interior angles are 4x minus 31 and 2x plus 19

OpenStudy (anonymous):

32 36 22 25

Directrix (directrix):

If parallel lines are cut by a transversal, then alternate interior angles are congruent. So, 4x - 31 = 2x + 19 Solve for x. @alexisoctavien

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