Shawna, Dexter, and Tilana are solving the equation negative 2 point 5 times open paren 5 minus n close paren plus 2 is equal to 15 Shawna says, “I can begin by dividing each side of the equation by negative 2 point 5 to get 5 minus n minus 2 over 2 point 5 is equal to 15 over 2 point 5 ” Dexter says, “I can begin by distributing negative 2 point 5 to get negative 12 point 5 plus 2 point 5 n plus 2 is equal to 15 ” Tilana says, “I can begin by multiplying each side of the equation by negative 1 over 2 point 5 to get 5 minus n minus 0 point 8 is equal to negative 6 ” Which students are correct?