Answer:
30
Step-by-step explanation:
4x+2x=180
6x=180
x=30
False
If the 3 sides form a right triangle then the square of the longest side must equal the sum of the squares of the 2 other sides.
28² = 784
26² + 12² = 674 + 144 = 818 ≠ 784
Thus sides do not form a right triangle.
Answer:
y = -3
Step-by-step explanation:
move 2y to the left by subtracting it with 4y
next subtract 6 from both sides
then divide each term by 2