2. (08.01) Two lines, \( R \) and \( M \) , are represented by the following equations: Line \( R : 2 x + 2 y = 18 \)
Line \( M : x + y = 9 \)
Which statement is true about the solution to the set of equations? (4 poi It is \( ( 18,9 ) \) . It is \( ( 9,18 ) \) . There are infinitely many solutions. There is no solution.