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DeboraAraujo487
@DeboraAraujo487
January 2020
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Bom dia galera!! Me ajudem resolva as expressões: a)-10+2x-4=-2.(2x-2). b)6-3.(2-x)=10. me ajudem nessas. obrigado<3
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jones13
A) -10+2x-4=-2.(2x-2)
-10+2x-4=-4x+4
2x+4x=4+10+4
6x=18
x=18/6
x=3
b) 6-3.(2-x)=10
6-6+3x=10
3x=10-6+6
3x=10
x=10/3
x=3,3333...
1 votes
Thanks 1
DeboraAraujo487
muito obrigada<3
jones13
nao sei se esta certo, mas de nada ;)
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-10+2x-4=-4x+4
2x+4x=4+10+4
6x=18
x=18/6
x=3
b) 6-3.(2-x)=10
6-6+3x=10
3x=10-6+6
3x=10
x=10/3
x=3,3333...