Question

1) Resolva

A) -x=9
B) -x=-2
C) -3x=33
D) -5x=15
E) -2x=-10
F) 15=-3x

Answer 1

a) -x=9 (-1) -> x=-9
b)-x=-2 (-1) -> x= 2
c)x=-33/3 = -11
d)x= -15/5 = -3
e)x=10/2 = 5
f) -3x=15 ->x= -5