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Algebra 2ChallengeSystems of Equations

Systems of Equations · Challenge problem

For which value of kk does the system have NO solution, and what is yy when k=5k = 5?

{2x+2y=−84x+ky=−14\begin{cases} 2 x + 2 y = -8 \\ 4 x + ky = -14 \end{cases}