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PedroLucas167
@PedroLucas167
January 2020
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Determine o valor de x nas seguintes equacoes do 1 grau.
A) 3x+5=8
B) 5x-27=4x
C)2x+3(x+2)=7x=34
D)4(x-2)=4+2(x-1)
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Caroleonardo
A)3x+5=8
3x=8-5
3x=3
x=3/3
x=1
B) 5x-27=4x
5x-4x=27
x=27
C) 2x+3(x+2)=7x=34
2x+3x+6=7x=34
2x+3x-7x=34-6
-2x=28
x=28/-2
x=14
D) 4(x-2)=4+2(x-1)
4x-8=4+2x-2
4x-2x=4-2+8
2x=10
x=10/2
x=5
3 votes
Thanks 3
Caroleonardo
d nd
PedroLucas167
vlw mesmo.
Caroleonardo
d nd e estude mto. kk
PedroLucas167
Sim kkk
Caroleonardo
te mais .kk
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Lista de comentários
3x=8-5
3x=3
x=3/3
x=1
B) 5x-27=4x
5x-4x=27
x=27
C) 2x+3(x+2)=7x=34
2x+3x+6=7x=34
2x+3x-7x=34-6
-2x=28
x=28/-2
x=14
D) 4(x-2)=4+2(x-1)
4x-8=4+2x-2
4x-2x=4-2+8
2x=10
x=10/2
x=5