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23-12-2020
Mathematics

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Find the solution of the systems of equations

Find the solution of the systems of equations class=

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23-12-2020

Answer:

-2x - y = 6

(-) -2x + 8y = -30

-9y = 36

y = -4

substitute y into -2x - y = 6 (to find value x)

-2x + 4 = 6

x = -1

(-1, -4)

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