kelly3899 kelly3899 23-10-2020 Mathematics contestada Can you help me please ?True or False ?a. 11+ (x+y) = 11 + x+ yb. 7- (2x-3t)= 7-2x+3yc. 2 (x + 4)= 2x +4d. 5+7x=12xe. -5 (x+9) = -5x-45