But it's not equal. Frederick Douglas was prominent, but certainly not equal.
No, you won't find any explicit comment on women being equal to men, but you do find:
1 Corinthians 7
New Revised Standard Version (NRSV)
Directions concerning Marriage
7 Now concerning the matters about which you wrote: “It is well for a man not to touch a woman.” 2 But because of cases of sexual immorality, each man should have his own wife and each woman her own husband. 3 The husband should give to his wife her conjugal rights, and likewise the wife to her husband. 4 For the wife does not have authority over her own body, but the husband does; likewise the husband does not have authority over his own body, but the wife does.
A statement of equal responsibilty between husband and wife.