If \( m \angle X W Z = ( 2 x - 7 ) ^ { \circ } \) and \( m \angle X Y Z = 117 ^ { \circ } , \) find the value of ' \( x \) '. If \( M N = 60 , X Y = 4 x - 1 , \) and \( W Z = 6 x + 11 \) , find the value of ' \( x \) '. If \( M N = 10 x + 3 , W Z = 11 , \) and \( X Y = 8 x + 19 \)
find the value of ' \( x \) '. If \( M N = 2 x + 1 , X Y = 8 , \) and \( W Z = 3 x - 3 , \) find the value of ' \( x \) '. In rhombus \( BCDE , m \angle B = 68 ^ { \circ } \) . Find \( m \angle E\) In parallelogram \( A B C D , m \angle A = ( 8 x - 16 ) ^ { \circ } \) and \( m \angle C = ( 2 x + \)
\( 20 ) ^ { \circ } \) . Find \( m \angle B \) .