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07-02-2021
Mathematics

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Solve by substitution -2x+5y=-17 y=-4x+1

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Аноним Аноним

07-02-2021

Answer:

-2x +5(-4x+1) =-17

-2x -20x+5=-17

-22x+5=-17

-22x=-22

x=1

y=-4(1)+1

y=4+1

y=5

(1,5)

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