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Whitepunk [10]
3 years ago
12

I need help with this equation, I seem to be over thinking it too much

Mathematics
2 answers:
Romashka [77]3 years ago
8 0

Answer: X=15; 160°

Step-by-step explanation: Since these are opposite angles (or vertical angles), that means that both angles have the same measure. To find out what the angle measures are, set the two equations equal to each other.

Step 1: Set the equations equal to each other

10x + 10 = 8x + 40

Step 2: Subtract 10 from both sides

10x = 8x + 30

Step 3: Subtract 8x from both sides

2x = 30

Step 4: Divide both sides by 2

x = 15

Step 5: Plug in the value of X to get the angle measures

10(15) +10 = 8(15) +40

150 +10 = 120 +40

160 = 160

Since 160 = 160, we know that we solved the problem correctly, and the angle measure is 160°

Afina-wow [57]3 years ago
3 0
  • Answer:

<em>x = 15</em>

  • Step-by-step explanation:

<em>Vertically Opposite Angles =></em>

<em>10x + 10 = 8x + 40</em>

<em>10x - 8x = 40 - 10</em>

<em>2x = 30</em>

<em>x = 30 : 2</em>

<em>x = 15</em>

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