What number does x stand for in this equation? -7X + 6= 27

А 21
B 2
с -3
D -7​

Figure abcd is rotated by 180 degrees about the origin in the counterclockwise direction to obtain figure a′b′c′d′: will give brainliest which statement best compares the lengths of the sides of the two figures? length of ab = length of c′d′ length of cd = length of a′b′ length of cd = length of b′c′ length of ab = length of a′b′