How to solve this

Dear Student ,

Please find below the solution to the asked query :

(m) \frac{2 x}{3} + \frac{x}{4} - \frac{5 x}{6} = \frac{8 x + 3 x - 10 x}{12} = \frac{11 x - 10 x}{12} = \frac{x}{12} ANS . . . (n) ∠ B = ∠ DAB = 55 ° (Alternate interior angles) ∠ C = ∠ B = 55 ° (Angles opposite to equal sides are equal) ∠ A + ∠ B + ∠ C = 180 ° (Angle Sum Property) x + 55 ° + 55 ° = 180 ° x + 110 ° = 180 ° x = 180 ° - 110 ° x = 70 ° ANS . . .

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