GoldAndHoney GoldAndHoney

18-02-2020
Mathematics

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18-02-2020

Answer:

x = 17.

Step-by-step explanation:

We know that the two angles are supplementary (equal 180) as they are found on a straight line. Therefore,

(5x - 18) + (4x + 45) = 180.

9x + 27 = 180.

9x = 153.

x = 17.

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