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24-02-2016
Mathematics

contestada

Y = 7x - 10
Y = -3
Solve each system by substitution

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24-02-2016

Y = -3
y = 7x - 10

-3 = 7x - 10
+10 +10

7 = 7x
x = 1

Answer: y = -3 and x = 1
or
(1,-3)

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