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Mathematics 8 Online
OpenStudy (anonymous):

Using trapezoid GHIJ, solve for x.

OpenStudy (anonymous):

OpenStudy (anonymous):

i really need help with it!!

jimthompson5910 (jim_thompson5910):

((x+9)+(3x-1))/2 = 18 (4x+8)/2 = 18 4x+8 = 18*2 4x+8 = 36 4x = 36-8 4x = 28 x = 28/4 x = 7

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