Answer: x = 20.
Step-by-step explanation:
x and (3x + 10) combine to form a right angle, shown in the diagram by the small square joining the perpendicular lines.
Right angles are 90 degrees, so you can add both angles to get 90:
I don't remember how to solve this problem I missed yesterday when we learned it. 4(x-2+y)
1 answer:
You might be interested in