Answer:
false
Step-by-step explanation:
Answer:
4
Step-by-step explanation:
3x-5=7x-21
3x-7x=5-21
-4x=-16 ( divide by -4 both sides)
x= 4
Answer:
x = 11
Step-by-step explanation:
and check:
Answer:
sorry i am in 7th grade
Step-by-step explanation:
sooooooooooooooooooooooooooooooooooooorrrrrrrrrrrrrrrrrrrrrrrrrrrryyyyyyyyyyyyyyyyyyyyyyyyyyyyyyy
They are supplementary angles. They are located on a straight line, and when added together they will add up to 180 degrees.