Respuesta :

texaschic101
u have an equilateral triangle where all angles are equal to 60 degrees

7x + 4 = 60
7x = 60 - 4
7x = 56
x = 56/7
x = 8 <==

and if u wanted to find y, u would set it up like this : 8y + 12 = 60 and solve for y
sandlee09

Answer:

X has a value of 8

Step-by-step explanation:

The given triangle is an Equilateral Triangle , meaning that all three sides are of equal length as well as all three angles being 60°. This simplifies the process of finding x since we can equal the equation to 60 and solve for x as a regular Algebraic equation.

[tex]7x+4 = 60[/tex] .... add 4 to each sides

[tex]7x = 56[/tex] ...... divide 7 from both sides

[tex]x = \frac{56}{7}[/tex]

[tex]x = 8[/tex]

So we get x = 8

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