Question

which equation would solve for x? x + 51 + 47 = 180 x + 57 + 47 = 18 x = 51 + 47 x = 51 - 47

Explanation:

Step1: Recall angle - sum property

The sum of interior angles of a triangle is 180 degrees.

Step2: Identify the angles

The three interior angles of the triangle are x, 51 degrees, and 47 degrees.

Step3: Form the equation

x + 51+47 = 180.

Answer:

x + 51+47 = 180