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OpenStudy (anonymous):
7a=4-b 7a=3-b Use the method of substitution to solve linear equations. It ask if there is a solution and if so what is the solution or is there no solution? Thanks so much!
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OpenStudy (jennychan12):
there's no solution b/c they're equal to the same value (7a)
OpenStudy (anonymous):
Thank you so much!
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