Chancla2002 Chancla2002

17-03-2017
Mathematics

contestada

Use elimination to solve!!!!!!

Use elimination to solve class=

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ahonyek ahonyek

17-03-2017

For easier notation lets use: Nn=x and Nd=y

x+y=22
5x+10y=135

Multiply the first equation by 5 to get
5x+5y=110

Now you can eliminate x by subtracting the first equation from the second
5x+10y-5x-5y=135-110
5y=25
y=5
x=17

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