Question

Resolva as equaçoẽs:
a) x-4=3
b)x-7= -7
c)x+28=11
d)3x=15
e)x/9=12
f)x+6=5
g)x+9= -1
h)x-109=5
i)2x=14
j)7x= -21
k) 9x=-9
l) x/6= -7



PFF ME AJUDEM!!!

Answer 1

Resposta:

vou responder as que eu sei

l) x= -42

k)x= -1

j)x= -3

i)x=7

b)x= -7