tahtahtw3031 tahtahtw3031

14-02-2018
Mathematics

contestada

Graph the system of equations.

{2x−y=4
{x−y=−2
Use the Line tool to graph the lines.

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cineusstanleyy cineusstanleyy

14-02-2018

you can soustracte the first or the second one

and y cancel

x = 6

now you put 6 in x
you can take the first or the second one

6 - y = -2
6 - y = -2
y = -8

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