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5(x-4)+?=+12x-21 what is the answer?
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3 votes
5(x-4)+?=+12x-21 what is the answer?

User Vegetus
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1 Answer

3 votes

5(x-4) + ? = 12x - 21

5x - 20 + ? = 12x - 21

? = 7x -1

ok done. Thank to me :>

User Dmitry Shmakov
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