2x-4y+k=0
3x-10y+10=0
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3x - 10y + 10 = 0
solve for x
3x + 10 = 10y
3x = 10y - 10
3x / 3 = 10y - 10 / 3
x = 10y - 10 / 3
solve for y
- 10y + 10 = -3x
- 10y = - 3x - 10
- 10 / - 10 = - 3x - 10 / - 10
y = - 3x - 10 / - 10
y = 3x / 10 + 1
2x - 4y + k = 0
- 4y + k = - 2x
k = - 2x + 4y
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