1)Resolva as equações:

a) + 6 = r = -4
b) – 5 = r = 4
c) + 9 = - r= -10
d) + 5 = - x r: -6
e) + (x-5) = + (x +2) r: 10
f) + (x-2) = + (x -3) r: 6

2) resolva:

a) 18 -3x +6 = -12 +2x -4
b) 3 . (x +5) = 24
c) 2.(x+3) = 10
d) 4 (x-2) = 3x
e) 5 - 2x +3 =-8 +4x -2