29-09-2014
Mathematics

contestada

Simplify: 5x+9y-7x+2-5y-7x+2-3x

please help

Respuesta :

rabinshrestha41 rabinshrestha41

29-09-2014

so you add all the like terms.......i.e numbers with same variable
so,
5x+9y-7x+2-5y-7x+2-3x
=(5-7-7-3)x+(9-5)y+2+2
=-12x+4y+4

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Panoyin Panoyin

29-09-2014

5x+9y-7x+2-5y-7x+2-3x=(5x-7x-7x-3x)+(9y-5y)+(2+2)=8x+2y+4

Answer Link

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