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3 years ago

15

4x – (6 – x) = 12 + 4x

1 answer:

devlian [24]3 years ago

4 0

4x - (6-x) = 12 + 4x

4x - 6 + x = 12 + 4x

5x - 6 = 12 + 4x

5x - 4x = 12 + 6

x = 12 + 6

x = 18

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