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31 votes
Solving systems of equations using substitution y=4x+2 7x-4y=-8

User Adrien Le Roy
by
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2 Answers

15 votes
15 votes

Explanation:

7x - 4(4x +2) = -8

7x - 16x -8 = -8

-9x = 0

x = 0

y = 2

User Personal Jesus
by
3.3k points
18 votes
18 votes

Answer:

(0,2)

Explanation:

7x - 4(4x + 2) = -8

7x - 16x - 8 = -8

-9x = -8 = -8

-9x = 0

x = 0

y = 4(0) + 2

y = 2

User Mikee
by
2.8k points