Answer :

meghaaryal51

Answer:

x=22° hope it helps:)

Step-by-step explanation:

Please mark it the brainliest if you won't mind:)

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devishri1977

Answer:

x =22

Step-by-step explanation:

ABCD is a parallelogram. In parallelogram, adjacent angles are supplementary.

∠B +∠C = 180

4x + 12 + 3x + 14 = 180

Combine like terms

4x +3x + 12+ 14 = 180

  7x +  26 = 180    {Subtract 26 from both sides}

           7x = 180 -  26

           7x = 154      {Divide both sides by 7}

             x = 154/7

x = 22

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