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Joicedonb
@Joicedonb
April 2020
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Resolva as equações abaixo:
a) 2x = 8
b) 4x = - 20
c) 2x + 3 = 27
d) 4x - 2 = 2x + 20
e) 3x + 5 = 15 - x
f) - 2x - 10 = - 20 - x
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laryssa2702
A) x=8/2
x=4
b) x= -20/4
x=-5
c) 2x=27-3
2x=24
x=12
d) 4x - 2x = 20 - 2
2x = 18
x= 9
e) 3x + x = 15 - 5
4x = 10
x= 2,5
f) - 2x + x= -20 +10
- x = - 10
x=10
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Lista de comentários
x=4
b) x= -20/4
x=-5
c) 2x=27-3
2x=24
x=12
d) 4x - 2x = 20 - 2
2x = 18
x= 9
e) 3x + x = 15 - 5
4x = 10
x= 2,5
f) - 2x + x= -20 +10
- x = - 10
x=10