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Mathematics 20 Online
OpenStudy (anonymous):

help please

OpenStudy (anonymous):

OpenStudy (vanessaperezxo):

@lovebug143 which do you think is the answer?

OpenStudy (anonymous):

you can use several methods to solve this...

OpenStudy (anonymous):

1) isolate for one variable in an equation (x or y) and plug it into the other. if the answer is a real number then the system has a solution 2) use matrices if you know linear algebra

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