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2x-y=3, x=-2y-2 solve for substitution

User Litehouse
by
3.8k points

1 Answer

12 votes

Answer:

-1.25

Explanation:

2x - 7 = 3

x = -2y - 2

3 + 7 = 2x

x = 5

5 = -2y - 2

5 = -4y

5 = -4 times y

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