3 years ago

What is the value of x? [PART 2] A.285˚ B.105˚ C.75˚ D.15˚

Mathematics

1 answer:

Nikitich [7]3 years ago

5 0

Answer:

x = 17

Step-by-step explanation:

The two angles form a straight line so they add to 180 degrees

5x-18 + 4x+45 = 180

Combine like terms

9x +27 = 180

Subtract 27 from each side

9x+27-27 =180-27

9x =153

Divide by 9

9x/9 = 153/9

x =17

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