Answer:
Step-by-step explanation:
x+5+x+7x-5=180 degree (being the interior angles of a triangle)
9x=180
x=180/9
x=20 degree
Answer: 10 I believe
Step-by-step explanation:
Answer:12.8
Step-by-step explanation:
Answer:
x = 22
Step-by-step explanation:
x-10=12
We want to solve for x
Add 10 to each side
x-10+10=12+10
x = 22
Answer:
Step-by-step explanation:j