Answered

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if -x - 3y = 2 and -8x + 10y = 9 are true equations, what would would be the value of -9x + 7y?

Sagot :

To find the value we add both equations:

[tex]\begin{gathered} (-x-3y)+(-8x+10y)=2+9 \\ -9x+7y=11 \end{gathered}[/tex]

Therefore the value of the expression given is 11.

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