x,y and z are three angles lying on a straight line.(a)if y =45 and z=86, find the value of x.(b)if x=2y and z= 3y,find the value of y.
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Step-by-step explanation:
a . x+y+z= 180
x+45+86=180
x+131=180
x=180-131
x=49
b. x+y+z=180
2y+y+3y=180
6y=180
y=180/6
y=30
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