fieldsj00082 fieldsj00082

19-01-2017
Mathematics

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what is 10x-10y=0 -20x-5y=-25

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lifespain0 lifespain0

19-01-2017

-10x-15-(-25)

-5(2x+3-5)

-5(2x-2)

-5*2 (x-1)

= -10(x-1)

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Ayemye12 Ayemye12

19-01-2017

Solve for the first variable in one of the equation, then substitute the results into the other equation (1,1)

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