Question

Find x, from the figure, if AOB is a straight line​

Answer 1

Answer:

x + 18 + 4x + x - 24 = 180 (Straight angle)

6x - 6 = 180

6x = 180 + 6

6x = 186

Therefore x = 31

Answer 2

Answer:

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Step-by-step explanation:

Since AOB a straight line

∠AOB is 180°

∴ (x+18) + 4x + (x-24) = 180°

x + 18 + 4x + x - 24 = 180

6x - 6 = 180

6x = 180 + 6

6x = 186

x = 186 / 6

x = 31

x + 18 = 31 + 18 = 49

4x = 4 × 31 = 124

x - 24 = 31 - 24 = 7