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If -5x + 6 =-69 what is the value of 6x - 15

User Endowzoner
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\begin{gathered} -5x+6=-69\rightarrow-5x=-69-6=-75\rightarrow x=-(75)/(-5)=15 \\ x=15,\text{ therefore 6x-15=6}\cdot15-15=75 \end{gathered}

User Usman Younas
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