Respuesta :

X =7
Since it is a right angle, it means that it is 90 degrees.
Thus, you can add both angles and make them equal to 90 like so, and solve for x.
5x + 55 = 90
5x = 35
X=7
vanillanekox3

Answer:

x = 7

Step-by-step explanation:

A right angle is equal to 90 degrees

The sum of the angles, 55 and 5x, should equal 90

55 + 5x = 90

Isolate the variable

Subtract both sides by 55

55 - 55 + 5x = 90 - 55

5x = 35

Divide both sides by 5

5x ÷ 5 = 35 ÷ 5

x = 7