daysyperez2003 daysyperez2003

10-07-2020
Mathematics

contestada

Solve the system of equations by substituion,
-5x + y = 3
7.5x - 1.5y = 3

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AdrianaNH AdrianaNH

10-07-2020

the first equation, make the y as the subject. y = 3 + 5x, then substitute y in the second equation and you will get the value of x. then, substitute the x in the first equation (y = 3 + 5x)

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good job