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2x + - 2x = 0 (zero)

Remember when you have two opposite signs, treat it as negative (-).

Also the 'x' is an unknown but fixed amount, so the 'x' in '2x' could be '3', so the 'x' in '-2x' is ALSO '3'.

Hence

2(3) + - 2(3) =

6 - 6 = 0

NB

For mixed signs#

    • = +
    • = -
    • = -
    • = +
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lenpollock

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1y ago

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More answers

It is 2x+(-2x) = 0

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Wiki User

8y ago
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