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Kiko34
@Kiko34
December 2019
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Resolva. 7 (x-3) - 2 (3x +5) =21 +4 (×-6)
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josue13rotta
Verified answer
7(x-3)-2(3x+5)=21+4
7x-21-6x-10=25
x-31= 25
x=25 + 31
X= 56
0 votes
Thanks 1
Comentários (1)
Olá
Vamos lá
7 (x-3) - 2 (3x +5) =21 +4 (×-6)
7x-21 -6x-10=21+4x-24
7x-6x-4x=21-24+21+10
-3x=28 *(-1)
3x=-28
x=-28/3
1 votes
Thanks 1
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Verified answer
7(x-3)-2(3x+5)=21+47x-21-6x-10=25
x-31= 25
x=25 + 31
X= 56
Vamos lá
7 (x-3) - 2 (3x +5) =21 +4 (×-6)
7x-21 -6x-10=21+4x-24
7x-6x-4x=21-24+21+10
-3x=28 *(-1)
3x=-28
x=-28/3