3 years ago

Find the value of x that will make A||B A- 2x + 50 5x - 80 B- x = [?]

2 answers:

LenKa [72]3 years ago

8 0

Answer:

Step-by-step explanation:

If A||B then the sum of given angles must be equal to 180°

2x + 5 + 5x - 80 = 180 add like terms

7x - 75 = 180 subtract 75 from both sides

7x = 105 divide both sides by 7

x = 15

4 0

Answer:

Step-by-step explanation:

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