Answer:
yes
Step-by-step explanation:
2(x-y) you distribute the 2 to whats inside the parenthesis
2x-2y
The answer would be Y=5x-5
Answer:
20
Step-by-step explanation:
3x + x + 100 = 180 (sum of angles on a straight line)
4x = 180-100
4x=80
divide both sides by 4
x=20
Pretty sure it's D :)))))