Substitution suffices since if we plug the second equation into the first we obtain that 5x=9 and hence, x=9/5 and y=9/5-2=-1/5.
Javyn M.
asked • 10/30/20Explain which method would be the best (and why) to solve the system.
A. 3x + 2y = 5
B. y = x - 2
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