lizzyrosa19557187 lizzyrosa19557187

19-05-2021
Mathematics

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nadineine nadineine

19-05-2021

Answer:

X = 3

Step-by-step explanation:

3x + 4x - 12 = - 10x + 30 + 9

7x - 12 = - 10x + 39

7x + 10x = 12 + 39

17x = 51

x = 3

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