Question

if l//m, find value of x​

Answer 1

Step-by-step explanation:

$x + 20 + 3x + 60 = 180$

interior interior angle theorem

$4x = 180 - 80 = 100$

$x = 25$

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Answer 2

x+20+3x+60=180

4x+80=180

4x=180-80

4x=100

x=100/4

x=25

x=25

3x=3*25=75

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