For which equation would x=5 be a solution? 12- 2 x= 13
O 3 x + 6 = 21
O 4 x - 7 = 27
07+6 x= 27

Proving the parallelogram diagonal theoremgiven abcd is a parralelogam, diagnals ac and bd intersect at eprove ae is conruent to ce and be is congruent to de