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Please help me and please use substitution 4x - y = 18 -8x – 2y = 4
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4 votes
Please help me and please use substitution

4x - y = 18
-8x – 2y = 4

User Fran Verona
by
8.2k points

2 Answers

4 votes
Point Form: (2,-10)
Equation Form: x = 2, y = -10
User Karllekko
by
8.9k points
5 votes
[first, multiply the first equation by 2]
[8x - 2y = 36]
[now combine the like terms from each equation. For example, -8x + 8x = 0]
[-4y = 40]
[y = -10]
[x = 2]
(2, -10)
User Aziz
by
8.3k points
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