find the value of x in each 9f of the following:
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96+84+2x+x =360⁰. (sum of all angles in a quadrilateral is 360⁰
180+3x=360⁰
transpose 180 to r.h.s
3x=360-180
3x=180
transpose 3 to r.h.s
x=180/3
x=60
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