Mathematics, 06.07.2019 18:00, bigworm60

Plz answer quickly, i need to get this done soon. i will mark brainliest. justify each step in solving the equation 4x=7(x-3) by writing a reason for each statement. statement reason 1. 4x=7(x-3) 1. given 2. 4x=7x-21 2.? 3. -3x=-21 3.? 4. x=7 4. ? fill in the blanks.

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Plz answer quickly, i need to get this done soon. i will mark brainliest. justify each step in solvi...