Answer:
x = -1
Explanation:
-1 = x
2x - 4 = -2 + 4x
add 2 to both sides
2x - 4 + 2 = -2 + 2 + 4x
2x - 2 = 4x
subtract 2x from both sides
2x - 2x - 2 = 4x - 2x
-2 = 2x
divide both sides by 2
-2/2 = 2x/2
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