3 years ago

Form and solve an equation for x. 6x +40 Х 3x + 100

Mathematics

1 answer:

Blababa [14]3 years ago

5 0

Answer:

x = 22

Step-by-step explanation:

The sum of the angles round a point is 360°

Sum the given angles and equate to 360

x + 6x + 40 + 3x + 100 = 360

10x + 140 = 360 ( subtract 140 from both sides )

10x = 220 ( divide both sides by 10 )

x = 22

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