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.... Pergunta de ideia dePedroLucas167

January 2020 1 45 Report

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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