# How to find the value of x in an equation

Asked by wiki @ in **Mathematics** viewed by 252 People

Enter and solve an equation to find the value of x for the triangle. (hint: The sum of the angle measures in any triangle is 180°.)

Asked by wiki @ in **Mathematics** viewed by 252 People

Enter and solve an equation to find the value of x for the triangle. (hint: The sum of the angle measures in any triangle is 180°.)

Answered by wiki @

The value of x is** 35°.**

Sum of angles in a triangle = 180°

Therefore, we will add to the values of the** three angles **together to get the value of x. This will be:

**60° + 60° + (4x - 80°) = 180°**

120° + 4x - 80° = 180°

**Collect like terms **

4x = 180° - 120° + 80°

4x = 140°

**Divide both side by 4**

4x/4 = 140°/4

**x = 35°**

In conclusion, the value of x is **35°.**

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