Q: What is 5x plus 4y equals -83 and 3x-3y equals -12?

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x = 4 and y = 0

4y+4 = 2y+12 4y-2y = 12-4 2y = 8 y = 4

That depends what the value of y is.

4y + 19 = 74y = 7-194y = -124y/4 = -12/4y = -3

4

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There are 4.

x = 4 and y = 0

4y+4 = 2y+12 4y-2y = 12-4 2y = 8 y = 4

4y + 10 = 22 4y - 10 - 10 4y=12 4y 4y 4y=3

That depends what the value of y is.

4y + 7 = 19 ∴ 4y = 12 ∴ y = 3

4y + 19 = 74y = 7-194y = -124y/4 = -12/4y = -3

4

8x plus 4y equals 5 is 8x + 4y = 5.

(4, -2)

(12, 1)

y=4