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14-07-2018
Mathematics

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if x-12y=-210 and x-6y=90 solve for x

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Аноним Аноним

14-07-2018

Multiply the second equation by [tex] 2 [/tex] to get

[tex] 2x-12y=180 [/tex]

Now subtract the first equation from this to get

[tex] x = 390 [/tex]

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