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2 years ago

Solve the system by substitution. -8x - y = 30 -2y = x

Mathematics

1 answer:

masya89 [10]2 years ago

4 0

Answer:

Solution: (-4, 2), x= -4 and y =2

Step-by-step explanation:

-8x - y = 30

-2y = x

Substitute for x

-8*(-2y) - y = 30

16y - y = 30

15y = 30

y = 30/15 = 2

Then x = -2y = -2*(2) = -4

Solution: (-4, 2), x= -4 and y =2

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