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16-10-2018
Mathematics

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0.4(2x-9)-0.6(4x+5)
[tex]0.4(2x - 9) -0 .6(4x + 5)[/tex]

Respuesta :

naomi479xx naomi479xx

16-10-2018

0.4(2x - 9) - 0.6(4x + 5)

0.4 • 2x = 0.8x

0.4 • -9 = -3.6

0.6 • 4x = 2.4x

0.6 • 5 = 3

→ 0.8x - 3.6 + 2.4x + 3

0.8x + 2.4x = 3.2x

-3.6 + 3 = -0.6

⇨ 3.2x - 0.6

There you go! I really hope this helped, if there’s anything just let me know! ☻

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