-4x - 8 = -2x + 12
Add 4x to each side:
-8 = 2x + 12
Subtract 12 from each side:
-20 = 2x
Divide each side by 2:
-10 = x
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4x + 2 + 2x - 2x = 14 4x = 14 - 2 4x = 12 x = 3
They are parallel lines.
4x - 5 + 2x = 37
2x + 6x + 4x = 12x
-2x = -4x + 24 2x = 24 x = 12