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17 votes
Can someone help me please?

Can someone help me please?-example-1
User HanXu
by
3.2k points

1 Answer

17 votes
17 votes

Answer:

  • x = 8

Explanation:

The two marked angles are supplementary, so they add up to 180°.

The equation is solved in following steps:

  1. 83 + 12x + 1 = 180
  2. 12x + 84 = 180
  3. 12x = 96
  4. x = 8
User Ricardoramos
by
2.7k points