Me ajudem pfvrr
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