Mathematics, 01.07.2019 20:20, Quantajah

Johanna wrote the system of equations.
4x-3y = 1
5x+4y=9
if the second equation is multiplied by 4, what should the first equation be multiplied by to eliminate the x-variable by addition?

Johanna wrote the system of equations. 4x-3y = 1 5x+4y=9 if the second equation is

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Johanna wrote the system of equations.
4x-3y = 1
5x+4y=9
if the second equation is...