Question

Given: p: 3x + 7 = –5 q: 4x + 12 = –4 which is the contrapositive of p → q?
a. if 3x 7 = −5, then 4x 12 = –4.
b. if 4x 12 = –4, then 3x 7 = −5.
c. if 3x 7 ≠ −5, then 4x 12 ≠ –4.
d. if 4x 12 ≠ –4, then 3x 7 ≠ −5.