Write an equivalent expression for 7+5k-2-3k+n. Which statements are true about the steps for writing the equivalent expression? Check all that apply. Combine the constant terms by adding 7 and -2 The equivalent expression is 9+34- n.5k, and - 3k are like variable terms Combine the like variable terms by adding the coefficients 5k and -3k are like variable terms The constants 7 and 2 are like terms. The equivalent expression is 5+2k+n Combine the constant terms by adding 7 and 2 Mark this and retum Save and Exit Next Submit a (18​