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  • 16-05-2017
  • Mathematics
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PLEASE help me on #9 also PLEASE explain. Learning about system of linear equations.

PLEASE help me on 9 also PLEASE explain Learning about system of linear equations class=

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whitesoxlady
whitesoxlady whitesoxlady
  • 16-05-2017
See picture. Come up with an equation for x and then plug back into the problem. Then once you get it, you can keep using this method to solve the rest.
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