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03-03-2022
Mathematics

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ganjilaya2019 ganjilaya2019

03-03-2022

Answer:

x = 14

Step-by-step explanation:

(4y - 10) + 3x = 180

in other hand: 4y - 10 = 9x + 12

so : (9x + 12) + 3x = 180

9x + 3x = 180 - 12

12x = 168

x = 168/12

x = 14

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