Answer:
80°
Step-by-step explanation:
x = 80°{being alternate angle}
<em>x</em>² - x
<em>x</em> = 4
4² - 4
16 - 4 = 12
Hope this helps!
Answer: 55x +200 = 530 x=6
Step-by-step explanation:
55x +200 = 530
-200 -200
-------------------------------------------
55x = 330
divide by 55 on both sides
-------------------------------------------------
x=6
X=30
-75/-50=1.5 20x1.5=30