1)resolva as equações
A)x/2=8 B)x/2=- 8 C) x/4=- 5 D)3+/4 E)2x/5=- 4 J)2x/3=- 10
A)x/2=8 B)x/2=- 8 C) x/4=- 5 D)3+/4 E)2x/5=- 4 J)2x/3=- 10
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b) x = 2.(-8) = -16
c) x = 4. (-5) = -20
d) ecsrita errada
e) 2x = 5.(-4) ------2x = -20 --------x = -20/2 -------- x = -10
j) 2x = 3.(-10) ------ 2x = -30 ------- x = -30/2 ------ x =-15