Question

Two lines M and N are parallel. find X and Y in the diagram
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Answer 1

Step-by-step explanation:

m//n so,

15x+4y+72=180

15x+4y=108

15x= 108-4y

x=(108-4y)/15

10x+5y+80=180

10x+5y=100

10(108-4y)/15+5y=100

2(108-4y)/3+5y=100

(216-8y)/3+5y=100

(216-8y+15y)/3=100

216+7y=300

7y= 84

y=12

x= (108-4y)/12

x= (108-48)/12

x=60/12

x=5

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