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07-02-2020
Mathematics

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7x + 2(6x + 9) = 170

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07-02-2020

Answer:

x = 8

Step-by-step explanation:

7x + 2(6x + 9) = 170

2(6x + 9) = 12x + 18

7x + 12x + 18 = 170

19x = 152

152/19 = 8

x = 8

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