ehazel909
ehazel909
10-01-2018
Mathematics
contestada
Solve 3[–x + (2 x + 1)] = x – 1.
Respuesta :
habeebmusa24
habeebmusa24
10-01-2018
solution
3(-x+(2x+1))=x-1
3(x+1)=x-1
3x+3=x-1 collect like terms
3x-x=-1-3
2x=-4 divide both side by 2
x=-4/2=-2
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