Question

3. Set up an equation and use it to solve for x.
51°
(5x + 1)

Answer 1

10

Explanation:

51 = 5x + 1

5x = 51 - 1

5x = 50

x = 10

Hope this helps!

Answer 2

51 = 5x+1

x = 10

Explanation:

The angles are vertical angles which means they are equal

51 = 5x+1

Subtract 1 from each side

51-1 = 5x+1-1

50 = 5x

Divide each side by 5

50/5 = 5x/5

10 =x