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A formula to find the angle measures of an isosceles triangle is shown. 180=2x+y Which equation can be used to find x?
A. [tex]x=\frac{180-y}{2}[/tex]
B. [tex]x=\frac{180+y}{2}[/tex]
C. [tex]x=90-y[/tex]
D. [tex]x=90+y[/tex]

Respuesta :

Tarmara
180 = 2x + y

-y = -y

180 - y = 2x

/2 = /2

180 - y /2 = x

The answer is A

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