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OpenStudy (anonymous):
How many solutions are there to the following system of equations? 3x + 7y = –10 15x + 35y = –45
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OpenStudy (anonymous):
what do you get when you multiply the first equation by \(5\) ?
OpenStudy (anonymous):
What do you mean? like 3x multiplied by 5? and 7y multiplied by 5?
OpenStudy (anonymous):
take \(3x+7y=-10\) and multiply everything by the number \(5\)
OpenStudy (texaschic101):
or reduce the 2nd equation and what do you get ?
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