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PLEASE help me on #9 also PLEASE explain. Learning about system of linear equations.
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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-example-1
User Jakub Juszczak
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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.
User Jashandeep Sohi
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