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Mathematics 15 Online
OpenStudy (anonymous):

Help Me Understand How To Do This Plz

OpenStudy (anonymous):

OpenStudy (anonymous):

I tried using a graphing calculator but it wouldnt work

OpenStudy (freckles):

try adding the equations together

OpenStudy (freckles):

you will see the e part cancel and you will be able to solve for d first

OpenStudy (freckles):

then you can go back and use one of the equations to solve for e

OpenStudy (anonymous):

so 2d+e+8 + d-e+4?

OpenStudy (freckles):

|dw:1428094122694:dw|

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