Which is the approximate solution to the system y = 0. 5x + 3. 5 and y = −a system of equations. Y equals 0. 5 x plus 3. 5. Y equals negative startfraction 2 over 3 endfraction x plus startfraction 1 over 3 endfraction. X + shown on the graph? (–2. 7, 2. 1) (–2. 1, 2. 7) (2. 1, 2. 7) (2. 7, 2. 1).