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19-09-2019
Mathematics

contestada

Which expresion is equivalent to 30(1/2x-2)+40(3/4y-4)

Respuesta :

19-09-2019

Answer:

15x +30y -220

steps:

30(1/2x-2)+40(3/4y-4)

= 15x-60 +30y-160

= 15x +30y -220

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