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bradock156
@bradock156
July 2022
2
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me ajudem com essa equaçao --> 7(x-1)-2(x-5)=x-5
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bielluan
7 ( x - 1 ) - 2 ( x - 5 ) = x - 5
7x - 7 - 2x + 10 = x - 5
7x - 2x - x = - 5 + 7 - 10
4x = - 8
x = - 8/4
x = - 2
0 votes
Thanks 1
bradock156
obrigado
Deborah32
Verified answer
7x-7-2x+10=x-5
9x+3=x-5
9x-x=-5-3
8x=-8
x= -8
----- = -1
8
2 votes
Thanks 1
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Lista de comentários
7x - 7 - 2x + 10 = x - 5
7x - 2x - x = - 5 + 7 - 10
4x = - 8
x = - 8/4
x = - 2
Verified answer
7x-7-2x+10=x-59x+3=x-5
9x-x=-5-3
8x=-8
x= -8
----- = -1
8