aliciagutierrez
aliciagutierrez
22-08-2016
Mathematics
contestada
solve: 2/7(x-5)=-2+2/5x
Respuesta :
Ckaranja
Ckaranja
22-08-2016
2/7(x-5)=-2+2/5x
Opening brackets;
2/7x-10/7=-2+2/5x
2/7x-2/5x=-2+10/7
=[tex] \frac{10x-14x}{35} = \frac{-14}{7} + \frac{10}{7} [/tex]
[tex] \frac{-4x}{35} = \frac{-4}{7} [/tex]
Multiplying each side by 35;
-4x=-4(5)
-4x=-20
x=5
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