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x + 3 + 2x = x + 9

x + 2x + 3 = x + 9

1x - 1x + 2x + 3 = 1x - 1x + 9

1x - 1x + 2x + 3 = 1x - 1x + 9

2x + 3 = 9

2x + 3 - 3 = 9 - 3

2x + 3 - 3 = 9 - 3

2x = 9 -3

2x = 6

2x/2 = 6/2

2x/2 = 6/2

x = 6/2

x = 3

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โˆ™ 2021-06-16 14:31:36
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โˆ™ 2011-04-26 02:55:09

x + 3 + 2x = x + 9

x + 2x + 3 = x + 9

1x - 1x + 2x + 3 = 1x - 1x + 9

1x - 1x + 2x + 3 = 1x - 1x + 9

2x + 3 = 9

2x + 3 - 3 = 9 - 3

2x + 3 - 3 = 9 - 3

2x = 9 -3

2x = 6

2x/2 = 6/2

2x/2 = 6/2

x = 6/2

x = 3

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