Find the value of x that will make A||B
A-
2x + 50
5x - 80
B-
x = [?]
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Answer:
30
Step-by-step explanation:
If A||B then the sum of given angles must be equal to 180°
2x + 50 + 5x - 80 = 180 add like terms
7x - 30 = 180 add 30 to both sides
7x = 210 divide both sides by 7
x = 30