180 = (5x-17) + (3x+5)
= 5x+3x+5-17
= 8x-12
180+12=8x
x = 192/8
x = 24
3x+5 = 3.24+5
= 77
180 = 77 + 42 + f
f = 180 - 119
f = 61°
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180 = (5x-17) + (3x+5)
= 5x+3x+5-17
= 8x-12
180+12=8x
x = 192/8
x = 24
3x+5 = 3.24+5
= 77
180 = 77 + 42 + f
f = 180 - 119
f = 61°