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OpenStudy (anonymous):
solve by the substition , the following 4x-9y=53 5x+26=y what is the solution if one?
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OpenStudy (anonymous):
Substitute the second equation into the first:\[4x-9(5x+26)=53\]Solve that for x, and then use that x value to find y through the second equation.
OpenStudy (anonymous):
so would the answer be -18
OpenStudy (anonymous):
Use a utility such as www.wolframalpha.com if you need a calculator.
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