Answer:
x = 18
Explanation:
(10x -4) + (x-14) = 180 (for linear pair)
<=> 10x + x - 4 - 14 = 180
<=> 11x - 18 = 180
<=> 11x = 180+18 = 18 . 10 + 18 = 18 . 11
<=> x = 18
x=18
10x-4+x-14=180
11x-18=180
11x=180+18
11x=198
x=
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