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If x=2y find x,yplease explain step by step​

Answer»

Answer:

GIVEN that:

X=2y

To find:

x and y

\large{Answer}

Theorem:

SUM of all ANGLES at a STRAIGHT line is 180degree

\large{X+Y=180}

Given that

\large{x=2y}

so we have

\large{2y+y=180}

\large{3y=180}

\large{y=180/3}

\boxed{60=y}

and X is

\boxed{X=2y=2(60)=120}


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