Supplementary angles add up to 180 degrees.
7x + 3x = 180 degrees.
Combine like terms.
10x = 180 degrees.
Divide both sides by 10
x = 18
Answer:
last one
Step-by-step explanation:
by=c-ax
b=(c-ax)/y
b=c/y-(a/y)x
Answer:
x=35/2
Step-by-step explanation:
you have to add 8, than divide by two
Y = -2.1 , x = 3.5 the first line will be horizontal and the other will be vertical
