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Solve the system of equations. 12x-5y=-20 y=x+4
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3 votes
Solve the system of equations.
12x-5y=-20
y=x+4

User Astery
by
3.9k points

1 Answer

6 votes

Answer:

x = 0, y = 4

Explanation:

12x - 5y = 20

y = x+4

____________

12x - 5y = 20

-x + y = 4

___________

12x - 5y = 20

5(-x+y = 4)

___________

12x - 5y = 20

-5x + 5y = 20

____________

7x = 0

x = 0

y = x + 4

y = 0+4

y = 4

User Alex Antonov
by
4.1k points
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