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I NEED HELP FAST!!!!
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I NEED HELP FAST!!!!

I NEED HELP FAST!!!!-example-1
User Chadlagore
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7.2k points

1 Answer

5 votes

Explanation:

  • Exterior angle is same as sum of remote interior angles.
  • Solving for x in each case below.

#7

  • 5x + 10 + 58 = 11x + 2
  • 5x + 68 = 11x + 2
  • 11x - 5x = 68 - 2
  • 6x = 66
  • x = 11

#8

  • 10x - 10 + 30 = 12x - 4
  • 10x + 20 = 12x - 4
  • 12x - 10x = 20 + 4
  • 2x = 24
  • x = 12

#9

  • 46 - 1 + 8x = 18x + 5
  • 8x + 45 = 18x + 5
  • 18x - 8x = 45 - 5
  • 10x = 40
  • x = 4

#10

  • 15x + 5 + 22x + 4 = 120
  • 37x + 9 = 120
  • 37x = 111
  • x = 3
User Alistair Knock
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7.6k points
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