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18 votes
Solve the system using substitution

3x - 6y =30
y = -6x + 34

User Ralphleon
by
3.6k points

2 Answers

6 votes

Answer:

3x - 6(- 6x + 34) = 30

3x + 36x - 204 = 30

40x - 204 = 30

40x = 234

x = 5.85

then solve for y as a linear equation

Explanation:

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User ArranJacques
by
3.5k points
2 votes

x = 6

y = -2

(explanation in image)

Solve the system using substitution 3x - 6y =30 y = -6x + 34-example-1
User FeifanZ
by
3.8k points