nataliayedidi64
nataliayedidi64 nataliayedidi64
  • 15-07-2019
  • Mathematics
contestada

Subtract 15mn - 22m +2n from 14mn - 12m +7n.

Subtract 15mn 22m 2n from 14mn 12m 7n class=

Respuesta :

gmany
gmany gmany
  • 21-07-2019

Answer:

[tex]\large\boxed{-mn+10m+5n}[/tex]

Step-by-step explanation:

[tex](14mn - 12m +7n)-(15mn - 22m +2n)\\\\=14mn-12m+7n-15mn-(-22m)-2n\\\\=14mn-12m+7n-15mn+22m-2n\qquad\text{combine like terms}\\\\=(14mn-15mn)+(-12m+22m)+(7n-2n)\\\\=-mn+10m+5n[/tex]

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