6x + ( 3x - 9) = 90°( being complementary angles )
6x+3x -9 = 90°
9x = 90° + 9
x = 99 / 9
x = 11
you question isn't quite clear.....
Answer:
Y=-x-2 or Y=-1x-2
Step-by-step explanation:
the answer is 6
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