Answer:
x = 18
y = 54
Step-by-step explanation:
A straight line equals 180 degrees.
Since Lines CD and AB are straight, we can deduce that the angle 3x = 2x + angle AN.
Because there is a right angle, we can subtract 90 -72 = 18.
18 + 2x = 3x
18 = x
A straight line equals 180 degrees. Once we figure out that x = 18, we can figure out y by plugging in x and then subtracting your answer from 180 degrees.
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Answer:
I think the answer is C sorry if I'm wrong but hope I helped
Answer:
-2x + 5
Step-by-step explanation:
{5x + 4y = -30
{3x - 9y = -18 | : 3
{5x + 4y = -30
{x - 3y = -6 | + 3y
{5x + 4y = -30
{x = 3y - 6
{5(3y - 6) + 4y = -30
{x = 3y - 6
{15y - 30 + 4y = -30 | + 30
{x = 3y - 6
{19y = 0 | : 19
{x = 3y - 6
{y = 0
{x = 3 · 0 - 6
{y = 0
{x = -6
