Mathematics, 22.07.2019 10:00, josecano2

If you were to solve the following system by substitution, what would be the best variable to solve for and from what equation? 2x+6y=9 3x-12y=15 a. y, in the first equation b. x, in the second equation c. x, in the first equation d. y, in the second equation

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If you were to solve the following system by substitution, what would be the best variable to solve...