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2 + X = 9 - 4 - 2X

X + 2X = 9 - 4 - 2 (moving the X's to one side and the numbers to the other)

3X = 3 (combining like terms)

X=1 (dividing both sides by 3)

Check:

2+1 = 9 - 4 -2(1)

3 = 3

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14y ago

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