yrone wrote an equivalent expression for 28 + x minus 2 n + 7 minus n minus 5 x + 4. His equivalent expression was Negative 3 n minus 5 x + 39 + x. What error did Tyrone make? Tyrone neglected to combine the x terms. Tyrone added the constants instead of subtracting them. Tyrone neglected to add the coefficients of the n terms. Tyrone made an error when he added the constants.