Question

Trying this again for another 30 point and brainly

Answer 1

Answer:

10

Step-by-step explanation:

Answer 2

The red square means the two outside lines form a right angle which equals 90 degrees.

10x + 16 + 54 = 90

Simplify:

10x + 70 = 90

Subtract 70 from both sides

10x = 20

Divide both sides by 10:

X = 2

The answer is x = 2