These 3 angles are equal value
5x + 1 = 6x - 10 = y
Then
5x + -6x = -10 - 1
-x = 11
x= 11
NOW find y value
y = 5x + 1
y= 6x - 10
y = 5•( 11) + 1= 56
y= 6•( 11) -10= 56
Answer is y= 56
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