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Is the Ordered Triple a Solution to the Given System 5x4y+10z=610x+2y15z=2615x2y+10z=7\begin{aligned}5 x - 4 y + 10 z & = - 6 \\10 x + 2 y - 15 z & = 26 \\15 x - 2 y + 10 z & = - 7\end{aligned}

question 18

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Is the ordered triple a solution to the given system of equations?
- 5x4y+10z=610x+2y15z=2615x2y+10z=7\begin{aligned}5 x - 4 y + 10 z & = - 6 \\10 x + 2 y - 15 z & = 26 \\15 x - 2 y + 10 z & = - 7\end{aligned}


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