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11) 12) (3 points) Mara used the following steps to solve the equation x + 3x8 x7. However, their friend Rusha says there is no solution to this equation because x = 1915 an extraneous solution. Who is correct? More than ome answer may apply, but only bubble ONE answer choice, ' A Marais correct because they did not make any mathematical mistakes in their work ' B. Rushais correct because when you plug 19 into both sides of the equation to check the answer, you get = (8 in blanks), which is not true, ' C Rusha is correct because in line 2, there is a square root equal to a negative number which is not possible. ' DB. We cannot say that either person is correct because Mara made an error while solving the equation, (6 pts) Solve for x, and check your ancwer(s). If there are any extraneous solutions, be sure to labal ther as extraneous a part of your solution. You must show your work to receive credit, 1 z =3 z73 x 307d)