2 years ago

Which ordered pair is a solution to the system of linear equations -4x+y=8 and x-5y=17

Mathematics

2 answers:

aliina [53]2 years ago

8 0

The answer would be (3, -4).

Scorpion4ik [409]2 years ago

7 0

X-5y=17 then x = 5y + 17
replace x = 5y + 17 into <span>-4x+y=8

</span>-4(5y + 17) +y = 8
-20y - 68 + y = 8
-19y = 8 + 68
-19y = 76
y = 76/-19
y = -4

x = 5y + 17
x = 5(-4) + 17
x = -20 + 17
x = 3

Answer: the order pair (3, -4)

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