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04-10-2018
Mathematics

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04-10-2018

1. 4x = 7(x - 3) 1.Given

4x = (7)(x) + (7)(-3)

2. 4x = 7x - 21 2.Distributive property

4x - 7x = 7x - 7x - 21

3. -3x = -21 3.Subtraction property of equality

-3x : (-3) = -21 : (-3)

4. x = 7 4.Division property of equality

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