Mathematics, 06.12.2019 16:31 Emiann222

If you were to solve the following system by substitution, what would be the best variable to solve for and from what equation? 3x+6y=9 2x-10y=13 a)x in first equation b)x in second equation c)y in first equation d)y in second equation

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