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01-06-2017
Mathematics

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Find the solution of this system of equations.
x=-12+y -21x+12y=-9

PS. Can you just send me the solution in this format: ( , )

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Аноним Аноним

01-06-2017

I hope this helps you

y=x+12

-21x+12 (x+12)=-9

-21x+12x+144= -9

-9x= -153

x=17

y=17+12

y=29

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