Question

resolva as seguintes equacoes: a)3x=15 b)2x=14 c)4x=-12 d)7x= -21 e)13x=13 f)9x= -9 g) 25x=0 h)35x= -105 i)4x=1 j)36x=12 k)21=3x l)84=6x

Answer 1

A. x=5 B7 C-3 D-3 E1

Answer 2

a x=15/3 ÷3 = 5/1
b x=14/2 ÷2 = 7/1
c x=-12/4 ÷4 = -3/1
d x= -21/7 ÷7 = -3/1
e x=13/13 = 1